I had the same problem with IMAP and POP3 after installing CU13. It seems like a bug.
I bet if you run Get-ServerComponentState , you see ImapProxy or POPProxy Inactive.
If you can turn in active by this, but it will still not help (Set-ServerComponentState -Identity -Component ImapProxy -Requester Functional -State Active ) or (Set-ServerComponentState -Identity -Component POPProxy -Requester Functional -State Active )
You have to edit registry…
IMAP Setup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExchangeServer\v15\ServerComponentStates\ImapProxy
there will be two keys:
1) Functional – it must be changed from 1:0:xxx to 1:1:xxx
2) HealthApi -it must be changed from 1:0:xxx to 1:1:xxx
Then restart IMAP services and try to run Get-ServerComponentState, imapproxy should run now.
The high availability capabilities of the lagged database copy are enhanced in the upcoming release of Exchange 2016 Cumulative Update 1.
ReplayLagManager
As you may recall, lagged copies can care for themselves by invoking automatic log replay to play down the log files in certain scenarios:
When a low disk space threshold (10,000MB) is reached
When the lagged copy has physical corruption and needs to be page patched
When there are fewer than three available healthy HA copies for more than 24 hours
Play down based on health copy status requires ReplayLagManager to be enabled. Beginning with Exchange 2016 CU1, ReplayLagManager is enabled by default. You can change this via the following command:
When one of the above conditions is triggered, the Replication Service will initiate a play down event for the lagged database copy. However, there are times where this may not be ideal. For example, consider the scenario where there are four database copies on a disk, one passive, one lagged, and two active. Initiating a play down event on the lagged copy has the potential to impact any active copies on that disk – replaying log files generates IO and introduces disk latency as the disk head moves, which impacts users accessing their data on the active copies.
To address this concern, beginning with Cumulative Update 1 for Exchange 2016, the lagged copy’s play down activity is tied to the health of the disk. When a play down event is initiated, the disk’s IO latency is evaluated:
If the disk’s read IO latency is above 25ms, the play down event is deferred. In the event that there is a disk capacity concern, the disk latency deferral will be ignored and the lagged copy will play down.
If the disk’s read IO latency is below 25ms, the play down event is allowed.
As a result, deferred lagged copy play down reduces the IO burstiness of lagged copy play down events and ensures that local active copies on the lagged copies disk are not affected. IO sizing of a lagged database copy does not change with this feature (nor does it affect the IO sizing of an active copy); you still must ensure there is available IO headroom in the event that the lagged copy becomes active.
Consider the following example:
The y axis is disk latency, measured in milliseconds. The x axis is a 24-hour period.
As you can see from the graph, between the hours of 1am to 9am, the disk IO latency is below 25ms, meaning that lagged copy replay is allowed. At 10am, the latency exceeds 25ms and this continues until about 2pm; during this time period, lagged copy replay is delayed or deferred. At 2pm, the latency drops below 25ms and lagged copy replay resumes. Latency increases again at 3pm and the process repeats itself.
By default, the maximum amount of time that a play down event can be deferred is 24 hours. You can adjust this via the following command:
Set-MailboxDatabaseCopy <database name\server> -ReplayLagMaxDelay:<value in the format of 00:00:00>
If you want to disable deferred play down, you can set the ReplayLagMaxDelay value to 00:00:00.
The following events are recorded in the Microsoft-Exchange-HighAvailability/Monitoring crimson channel when log replay is deferred or resumed:
Event 750 – Replay Lag Manager requested activating replay lag delay (suspending log replay) for database copy ‘%1\%2’ after a suppression interval of %4. Delay Reason: %6″
Event 751 – Replay Lag Manager successfully activated replay lag delay (suspended log replay) for database copy ‘%1\%2’. Delay Reason: %4″
Event 752 – Replay Lag Manager failed to activate replay lag delay (suspend log replay) for database copy ‘%1\%2’. Error: %4″
Event 753 – Replay Lag Manager requested deactivating replay lag (resuming log replay) for database copy ‘%1\%2’ after a suppression interval of %4. Reason: %5″
Event 754 – Replay Lag Manager successfully deactivated replay lag (resumed log replay) for database copy ‘%1\%2’. Reason: %4
Event 755 – Replay Lag Manager failed to deactivate replay lag (resume log replay) for database copy ‘%1\%2’. Error: %4
Event 756 – Replay Lag Manager will attempt to deactivate replay lag (resume log replay) for database copy ‘%1\%2’ because it has reached the maximum allowed lag duration. Detailed Reason: %5
The following events are recorded in the Microsoft-Exchange-HighAvailability/Operational crimson channel when log replay is deferred or resumed:
Event 748 – Log Replay suspend/resume state for database ‘%1’ has changed. (LastSuspendReason=%3, CurrentSuspendReason=%4, CurrentSuspendReasonMessage=%5)
The changes discussed above continue our work in improving the Preferred Architecture by ensuring that users have the best possible experience on the Exchange platform.
The Exchange team is happy to announce our spring quarterly updates for Exchange Server are now available on the Microsoft Download Center. Exchange Server 2016 receives its first Cumulative Update, and Exchange Server 2013 Cumulative Update 12 is also released. Exchange Server 2007 and Exchange Server 2010 Update Rollups provide an updated OWA S/MIME control signed with a SHA-2 certificate. More information and highlights of all these releases can be found below.
Updated OWA S/MIME control
All of the packages released today include an update to the OWA S/MIME control. The control itself has not changed, but has now been signed with a SHA-2 compliant certificate. All of the updates released will install the updated control onto the Exchange Server. Users who have installed the control into their browser will need to re-install this onto devices where the previous version was installed. Installing the control is straight forward and can be done quickly using OWA Options, Exchange Control Panel or Exchange Admin Center depending upon the release of Exchange you are using.
New distribution package for Exchange Server 2016 updates
With the introduction of Cumulative Updates for Exchange Server 2016, we are making a change to the update package type for this product version. Previous versions of Exchange used self-extracting packages to deliver service packs and cumulative updates. We have heard requests to release these updates as .ISO’s. With the capability to mount .ISO’s directly in Windows Server 2012 and later, we think it makes sense to ship Cumulative Updates as .ISO’s. At this time, we are not planning to do this for Exchange Server 2013 Cumulative Updates but could be persuaded to do so if enough people ask for it. One down side to this approach is that the package is much larger. However, copying a single .ISO vs. the ever growing number of files and folders over the network is much more efficient and faster. We hope you like this change.
Change to Mailbox Anchoring for Remote PowerShell
We heard your feedback on the changes to load balancing Remote PowerShell introduced into Exchange Server 2013 and 2016. As announced by Ross here, we have reverted this behavior in the Cumulative Updates being released today.
Additional languages for Outlook on the Web
Exchange Server 2016 Cumulative Update 1 adds support for 17 additional languages in Outlook on the Web. These languages will appear automatically in the language selection drop down after a server is updated to Cumulative Update 1.
.Net 4.6.1 Support
We know that many of you have been asking about .Net 4.6.1 and Exchange. Rest assured we are working closely with the .Net Framework team to resolve issues preventing us from supporting .Net 4.6.1 with Exchange Server. While we are not there yet, we hope to be very soon. Support for .Net 4.6.1 is planned for future Cumulative Updates for Exchange Server 2013 and 2016.
Slow installations on Windows Server 2012 R2
For customers who are running Exchange on Windows Server 2012 R2, we want to make certain you are aware of a condition which can substantially increase the amount of time it takes to install Exchange Updates on this OS. Working with the .Net team, we have discovered that systems which have applied Windows Update KB3097966 can take 50% more time to install Exchange. The .Net team is working on a resolution to this and will include a fix in a future product update. In the meantime, customers who have deployed this Windows update can take a one-time action on their server before installing Exchange or a Cumulative Update to bring installation time back to normal. This procedure needs to be done once on every Exchange server running Windows Server 2012 R2. The command to execute is:
Errors and warnings encountered running this command can be safely ignored provided the final exit status code of 0 is reported in the output.
Support for Standalone Hybrid Configuration Wizard in Exchange Server 2010
Customers using Exchange Server 2010 in Hybrid mode with Office 365 will notice a new link in the EMC to use the Updated Standalone Hybrid Configuration Wizard. We encourage all customers to use this updated version of the Hybrid Configuration Wizard.
Release Details
KB articles which contain greater depth on what each release includes are available as follows:
Exchange Server 2010 Service Pack 3 Update Rollup 13 (KB3141339), Download
Exchange Server 2007 Service Pack 3 Update Rollup 19 (KB3141352), Download
Note: Documentation may not be fully available at the time this post was published.
Exchange Server 2016 Cumulative Update 1 does include updates to Active Directory Schema. These updates will apply automatically during setup if the permissions and AD requirements are met during installation. If the Exchange Administrator lacks permissions to update Active Directory Schema, a Schema Admin should execute SETUP /PrepareSchema before installing Cumulative Update 1 on your first server. The Exchange Administrator should also execute SETUP /PrepareAD to ensure RBAC roles are updated correctly.
Exchange Server 2013 Cumulative Update 12 does not include updates to Active Directory or additional RBAC changes. However, depending on the version you are upgrading from, it may be required. PrepareAD will run automatically during the first server upgrade if Setup detects this is required and the logged on user has sufficient permission, otherwise, setup will require you to re-run setup with sufficient permissions.
Additional Information
Microsoft recommends all customers test the deployment of any update in their lab environment to determine the proper installation process for your production environment. For information on extending the schema and configuring Active Directory, please review the appropriate TechNet documentation.
Also, to prevent installation issues you should ensure that the Windows PowerShell Script Execution Policy is set to “Unrestricted” on the server being upgraded or installed. To verify the policy settings, run the Get-ExecutionPolicy cmdlet from PowerShell on the machine being upgraded. If the policies are NOT set to Unrestricted you should use the resolution steps in KB981474 to adjust the settings.
Reminder: Customers in hybrid deployments where Exchange is deployed on-premises and in the cloud, or who are using Exchange Online Archiving (EOA) with their on-premises Exchange deployment are required to deploy the most current (e.g., CU12) or the prior (e.g., CU11) Cumulative Update release.
We’re excited to announce that Exchange Server 2016 Preview is now available for download. At Ignite, we introduced Exchange Server 2016 and demonstrated some of its capabilities. Now you can install the bits yourself and get hands-on experience with the newest member of the Exchange family. We’re eager to hear your feedback as we progress toward a final release later this year.
This version of Exchange is special because it was born in the cloud. From the depths of the mailbox store to the most visible parts of the Outlook web UI, the bits that make up Exchange 2016 are already in use across millions of mailboxes in Office 365. For the past several months we’ve been working to package up these capabilities and deliver them on-premises. This preview milestone is an important step in that process, and we’re excited to include the worldwide Exchange community in the journey.
Let’s begin by joining Greg Taylor and Jeremy Chapman for an episode of Office Mechanics that takes a closer look at what’s new in Exchange 2016, with a focus on IT-related features.
Here’s a sampling of some key improvements that you can explore as you try out this Preview release. All of these enhancements are driven by our experience running Exchange at scale in a highly available way in Office 365. We believe it is vital to bring innovation from our datacenter to yours.
Simplified architecture
The architecture of Exchange 2016 is an evolution of what was delivered in Exchange 2013, reflecting the best practices of the Exchange Preferred Architecture, and mirroring the way we deploy Exchange in Office 365. The Client Access and Mailbox server roles have been combined, providing a standard building block for building your Exchange environment. Coexistence with Exchange 2013 is simplified, and namespace planning is easier.
Improved reliability
Keeping email up and running is a high-visibility responsibility for IT, so we’ve made investments that help you run Exchange with greater reliability and less effort. Based on Office 365 learnings, we’ve already shipped hundreds of reliability and performance fixes and enhancements to Exchange 2013 customers via Cumulative Updates. Exchange 2016 includes all of those enhancements, of course, but it goes further.
Failovers in Exchange 2016 are 33 percent faster than Exchange Server 2013 due to the ability to read from the passive copy of the database. We’ve turned on Replay Lag Manager by default, which automatically plays down replication logs when insufficient database copies are available.
We’re building on previous investments in automated repair, adding database divergence detection to help proactively detect instances of database corruption so you can remediate them well before anyone notices a hiccup. To make operation of Exchange simpler, we introduced Get-MailboxServerRedundancy, a new PowerShell cmdlet that helps you prioritize hardware repairs and makes upgrades easier.
New Outlook web experience
As part of our continuing effort to provide users with a first class web experience, we’ve made significant updates to Outlook Web App, which will be known as “Outlook on the web” going forward. New features include: Sweep, Pin, Undo, inline reply, ability to propose new time for meeting invites, a new single-line inbox view, improved HTML rendering, better formatting controls, ability to paste inline images, new themes, and emojis, to name a few. We’ve also made numerous performance improvements and enhanced the mobile browse experience on phones and tablets.
Greater extensibility
The Add-In model for Outlook and Outlook on the web, which allows developers to build features right into the user’s Outlook experience, continues to get more and more robust. Add-ins can now integrate with UI components in new ways: as highlighted text in the body of a message or meeting, in the right-hand task pane when composing or reading a message or meeting, and as a button or a dropdown option in the Outlook ribbon. Built-in Add-Ins such as My Templates get a user interface makeover. We’ve also introduced new ways of rolling out apps to users, including side-loading of app with a user-to-user sharing model and made it possible for users to install apps directly from the Office store or the Outlook ribbon. Additionally we have added richer JavaScript APIs for attachment handling, text selection, and much more.
Note: Exchange Server 2016 does not support connectivity via the MAPI/CDO library. Third-party products (and custom in-house developed solutions) need to move to Exchange Web Services (EWS) or EAS.
Faster and more intuitive search
As the quantity of email in people’s inboxes continues to grow, it’s essential for them to search through all that email in faster and easier ways. By studying real-world data about how people search and analyzing the speed at which results are returned, we’ve implemented changes to the search architecture and user interface of Office 365, which are now coming on-premises.
The overall speed of server side search is significantly improved in Exchange 2016. But more importantly, the Outlook client now fully benefits from the power of server-side search. When a cached mode Outlook 2016 client is connected to Exchange, it performs search queries using the speed and robust index of the server, delivering faster and more complete results than desktop search.
We’ve also implemented a new, more intuitive search UI in Outlook 2016 and Outlook on the web. As you type, intuitive search suggestions appear, based on people you communicate with, your mailbox content and your query history.
In Outlook on the web, search refiners appear next to the search result set, helping users quickly hone in on exactly what they are looking for within results. And with calendar search, now you can search for events in your calendar and other people’s calendar.
Enhanced Data Loss Prevention (DLP)
Exchange 2013 included built-in DLP capabilities that help protect sensitive information from falling into the wrong hands, and these capabilities are being extended in Exchange 2016. We are adding 30 new sensitive information types to Exchange, including data types common in South America, Asia, and Europe. We are also updating several existing sensitive data types for improved accuracy.
In addition to enhancing these built-in capabilities, we now enable you to configure DLP and transport rules to trigger when content has been classified by a third-party classification system. You can also configure custom email notifications that are sent to recipients when messages sent to them are impacted by your rules.
Faster and more scalable eDiscovery
We’ve made eDiscovery search faster and more reliable by overhauling the search architecture to make it asynchronous and distributing the work across multiple servers with better fault tolerance. This means that we can return results more reliably and faster. Search scalability through the UI is also improved, and an unlimited number of mailboxes can be searched via cmdlet. You also asked for ability to perform eDiscovery searches on public folder content and place the data in public folders on hold to enable long-term archiving, so we’ve added those capabilities in this release.
Auto-expanding archives
To accommodate users who store extremely large amounts of data, Exchange 2016 now automatically provisions auxiliary archive mailboxes when the size of a user’s archive mailbox reaches 100 GB. Thereafter, additional auxiliary archives are automatically provisioned in 50 GB increments. This collection of archive mailboxes appears as a single archive to the user as well as to administrators, accommodating rapid growth of archive data from PST file imports or other intensive use.
Hybrid improvements
Hybrid capabilities allow you to extend your Exchange deployment to the cloud, for example to enable a smooth transition or accommodate mergers and acquisitions. We’re making the hybrid configuration wizard cloud-based, which makes it easier for us to keep it up to date with changes in Office 365.
Hybrid scenarios also enable you to leave all user mailboxes on-premises, while benefitting from cloud services that enhance your deployment – services like Exchange Online Protection; Exchange Online Archiving; Azure Rights Management; Office 365 Message Encryption, and cloud-based Data Loss Prevention. We recently added the Advanced Threat Protection security services to this list, and Equivio analytics for eDiscovery is next up in the queue.
More to come
That’s a quick look at some of the improvements that are part of Exchange Server 2016 Preview. Between preview and final release we’ll add additional features, such as updates to auditing architecture and audit log search. After SharePoint Server 2016 and the Office Web App Server ship their beta versions, you’ll also be able to try out new document collaboration features that help people work with attachments in smarter ways.
How to get started
There is still much to do between now and launch, but we’re excited to put this Preview in your hands. Remember that the Preview can only be used in non-production deployments, unless you are a member of our Technology Adoption Program (TAP). The Preview supports co-existence with Exchange Server 2010 SP3 RU10 and 2013 CU9, for non-production testing. For complete details about the Preview, check out the initial product documentation on the TechNet Exchange Server 2016 library. We’re excited to hear from you as you try out this release!
Kako jednostavno preboliti odlazak servera 2003/R2 u mirovinu.
Na ovom predavanju saznajte zašto bi trebali priječi na server 2012 R2 sa uskoro umirovljenog i dragog nam servera 2003/R2. Objasniti ćemo što konkretno znači prestanak podrške, nakon najavljenog datuma ove godine. Kroz primjere iz prakse ćemo prikazati kako je moguće napraviti migraciju kritičnih servisa kao što su AD, DNS, DHCP i Exchange 2003 server, te usporediti razliku i prednosti navedenih servisa u novoj inačici servera 2012 R2.
Prezentacija:
Video snimka predavanja u tri dijela:
U nastavku možete vidjeti nekoliko slika s događanja.
Recently I encountered an issues with Lync Client. Audio Device not configured. We are now familiar with Lync Client and its features for sharing Desktops, while attending conference call. Wherein audio/video and voice is shared by the presenter to the attendees.
Now most of the time we use either a USB headset with MIC or a 3.5MM jack.
Just in case you forgot to bring USB headset or the 3.5MM Jack Headset, then you are in trouble.
Now with Lync Client and Lync Attendee, if both the speaker and MIC is not plugged in, Lync won’t detect the Audio Device and you will not be able to hear the presenter, and without Audio, Video is not much help.
I happened to come across with above issue. After doing some research, I realized that Lync is pulling up the setup from POST (Power On Self Test). When the jack is plugged in, the kernel of the client OS triggers a flag, which Lync uses to configure the Audio Device.
This in Windows Terminology is called as DynamicDevice detection.
By Design, if both Mic and the Headset is not plugged in, Lync will report the device as not configured.
To resolve the problem you have to setup the OS to turn off the Dynamic Device Detection. i.e. flagging the device on bit. When the jack is plugged in (By default, the mic will stay in a muted state after the resolution applied).
To fix the issue you have to modify the registry.
Caution: Incorrectly editing the registry can cause severe damage to the operating system. Please perform a complete backup of the registry hives before performing any steps.
Na ovom predavanju ćemo pokazati i objasniti neiskorištene mogućnosti Windowsa 8.1, odnosno one značajke koje ponekad puno mogu pomoći, a nismo nit svjesni da ih imamo nadohvat ruke. Kako W8.1 možemo pretvoriti u access point, kako i na koji način podesti prava korisniku da koristi Hyper-V, a da pritom nije administrator računala, objasniti i pokazati rijetko korištenu mogućnost VPN on Demand. Dođite i poslušajte što sve možemo s klijentom, a da toga nismo bili svjesni.
Prezentacija
Video snimka predavanja
U nastavku možete vidjeti nekoliko slika s događanja.
Na ovom predavanju pokazat ćemo kako što bezbolnije napraviti migracijski put sa uskoro umirovljenog operacijskog sustava SBS 2003 na Windows Server 2012 R2. Kroz studij slučaja polaznici će vidjeti procedure migracijskog puta sa SBS 2003 na SBS 2011, te kao konačni cilj migraciju na Windows Server 2012 R2.
The voicemail policy and dialplan looks fine and so did the Lync configuration. I could connect to the users voicemail and was also redirected fine if a user didn’t answer the phone. But the messages was never delivered to the end user.
The eventlog didn’t show anything.
So to get some more information about what is happing inside the UM service I turned on logging and restarted the service.
Get-EventlogLevel “EXCH15\MSExchange Unified Messaging\UMCORE” | Set-EventlogLevel -Level high
After making a call to a user voicemail I received an error in the eventlog:
The Microsoft Exchange Unified Messaging service on the Mailbox server encountered an error while trying to process the message with header file “C:\Program Files\Microsoft Exchange Server\V15\UnifiedMessaging\voicemail\ffde2966-2114-49d0-8e18-6c13448d6c81.txt”. Error details: “Microsoft.Exchange.UM.UMCore.SmtpSubmissionException: Submission to the Hub Transport server failed. The operation will be retried. —> Microsoft.Exchange.Net.ExSmtpClient.UnexpectedSmtpServerResponseException: Unexpected SMTP server response. Expected: 220, actual: 500, whole response: 500 5.3.3 Unrecognized command
When I looked in that folder all the voicemail was there.
I also looked at the SMTP receive log and found the same 5.3.3 Unrecognized Command
So after a little bit of looking at the log files I found the problem:
The customer had a custom receive connector, which they where using for internal relay and that connector was missing Exchange Server Authentication
When this is missing, the UM Service cannot deliver the voicemail messages to the end users. So after correcting that and restarted the UM Service the queued voicemails was delivered and everything worked as expected.
Remember to set back the logging to the default level with this command
Exchange 2013 Migration Step 8 Migrating Certificates from 2010 to 2013
Only consider doing this if you have a purchased (i.e. NOT using a self signed) certificate on your Exchange 2010 server. Bear in mind if you have the internal FQDN of your Exchange 2010 server as a SAN (Subject Alternative Name), then you cannot renew the certificate if it lasts longer than November 2013, so you might want to purchase a new one anyway.
Also make sure the public name of the server resolves to the public IP of the new server (or you change the port forwarding for HTTPS traffic to point to the new server).
1. On the Exchange 2010 Server > Launch the Exchange Management Console > Server Configuration > Select the certificate > Export Exchange Certificate.
2. Select a location to save the exported cert > supply a password > Next.
3. Finish.
4. On the Exchange 2013 Server > Launch the Exchange Admin Center > Servers > Certificates > Select the ‘more options’ icon > Import Exchange Certificate.
5. Put in the path to where you saved the exported cert, and the password you used > Next.
6. Add in the Exchange 2013 Server > Finish.
7. Select the new certificate > Edit > Services > Select the service for which you want to use the certificate. Note: I don’t have Unified Messaging so I’m selecting all the other options > Save.
8. Answer ‘Yes’ to replace the self signed certificate that Exchange 2013 installs by default.
9. You can then open Outlook Web Access and give it a test (Remember to change the DNS records so that the Common Name on the certificate points to the new Exchange 2013 server).
1. Before we can retire the old server we need to remove its databases, even though we have moved all the user mailboxes, If you try and delete the database it will complain that’s its not empty. This is because it will have either Archive or Arbitration mailboxes in it. To see, execute the following commands;
Get-Mailbox -Archive
Get-Mailbox -Arbitration
OR, If you have multiple source databases use the following syntax,
As you can see (in the diagram below) I have Arbitration mailboxes left in the old Exchange 2010 database, to move them use the following command, Note: Execute this command from the Exchange 2013 Server!
2. Wait a while and then check that they have moved. Note: You can check status with ‘Get-MoveRequest’.
3. In the Exchange Management Console > Organization Configuration > Mailbox > Database Management > Select the mailbox database > right click > Dismount Database.
4. Now Remove the database > Yes.
5. OK.
6. Offline Address Book Tab > Default Offline Address Book > Remove > Yes.
Note: If this OAB is still in use you will NOT be able to remove it, Go to the Address Book Policies tab > Change the default OAB from the 2010 one to the 2013 one.
7. If you try and remove the public folder database it will complain that it contains replicas, which you cant remove. The easiest way I’ve found to remove it is as follows. Dismount the public folder database.
8. Then delete (or move if you are paranoid) the database file (.edb file) and the logs for this database.
9. Then mount the database > Yes to all > It will mount a blank empty database.
10. You can now delete the database without error.
11. OK.
12. Close Exchange System Manager > Start > In the search/run box >appwiz.cpl {Enter} > Locate Microsoft Exchange Server 2010 > Uninstall.
13. Next.
14. Untick all the installed roles > Untick Management tools > Next.
15. Uninstall.
16. Finish.
Exchange 2013 Migration Step 9 ‘Finish Up’
Remember if you are keeping this server, you might want to delete all the database files which get left behind. You will also want to change your backup software so that it is pointing to the new mailboxes/databases.
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