Solve “Mailbox export stalled due to source disk latency”

Updated On - October 25, 2023 by Armaan | Reading Time: 5 minutes

When moving Exchange mailboxes to a new database or server, the error “Mailbox export stalled due to source disk latency” might occur, there is no transmission of this mistake as a result of the output procedure. Using the Get-MoveRequestStatisticscmdlet, it is more probable that the migration gets stuck at this stage for a long amount of time and subsequently shows the error message as stated above.

What is mailbox export?

Mailbox export is a process in Microsoft Exchange Server that allows users to extract mailbox data, such as emails, contacts, and calendar entries, from an Exchange mailbox and save it in a different format, such as PST files. This process is commonly used for backup, migration, or archiving purposes.

What is source disk latency?

Source disk latency refers to the delay in accessing data on the source disk during the mailbox export process. The longer it takes for Exchange Server to access data on the source disk, the higher the source disk latency. This delay can cause the mailbox export process to stall or fail, resulting in incomplete or corrupted data.

Causes of source disk latency in mailbox export

Several factors can cause source disk latency in mailbox export, including:

• High disk I/O utilization: If the disk I/O utilization on the source disk is high, the Exchange Server may struggle to access data on the disk, resulting in source disk latency.
• Network connectivity issues: Network connectivity issues between the Exchange Server and the source disk can cause source disk latency during the mailbox export process.
• Antivirus or backup software interference: Antivirus or backup software that is not configured correctly can interfere with the mailbox export process, causing source disk latency.
• Insufficient mailbox permissions: If the Exchange Server does not have sufficient permissions to access the mailbox, it may result in source disk latency during the mailbox export process.
• Large mailbox size or excessive mailbox content: If the mailbox being exported is too large or has excessive content, the mailbox export process may take longer, resulting in source disk latency.
• Insufficient network bandwidth: If there is insufficient network bandwidth, the Exchange Server may struggle to access data on the source disk, resulting in source disk latency.
• Poor Exchange server settings: Poorly configured Exchange server settings can also cause source disk latency during the mailbox export process.

Importance of solving the issue

Resolving the issue of mailbox export stalling due to source disk latency is crucial for several reasons. Firstly, it ensures that mailbox data is properly backed up, migrated, or archived and that it can be easily accessed and restored if necessary. Secondly, it helps to prevent data loss, which can cause significant problems for users and organizations, including decreased productivity and increased downtime. Finally, resolving this issue helps to improve the overall efficiency and reliability of the Exchange Server.

So now you know the importance to resolve stalled due to source processor error. Let’s dive into the process to fix the error. 

How to fix the error “Mailbox Export Stalled due to Source Disk Latency”

When exporting emails from the source database to the destination database, they may run into this problem.This error indicates that mailboxes were unable to migrate because they were unable to connect to the server. Exchange administrators often see this error message, and we’ve detailed the most typical scenarios.

“Mailbox export stalled due to source disk latency” is a common error message in Exchange Server.

With the aid of a new batch migration

New-MoveRequest -Identity ‘MailboxOrMailUserIdParameter’ -TargetDatabase “Name Of New Database” cmdlets

When exporting an Exchange Server mailbox to a PST file, the following command must be used:

New-MailboxExportRequest -Mailbox -FilePath<PST File Path>

While completing the migration to a new mailbox database on the same Exchange Server, use the syntax command in the Exchange Management Shell to ensure that the migration is successful.

New-MoveRequest “<DescriptiveName>”] -Identity <MailboxIdentity> [<-ArchiveOnly | -PrimaryOnly>] [-TargetDatabase<DatabaseIdentity>

The delayed mailbox export is linked to source disc latency as the major cause of the problem because of difficulties such as disc performance, timed-out migration batches, delay in response time, and other variables.

Use these solutions to Fix Exchange Server error:

If you’re an Exchange administrator, you may utilize the following solutions to fix the problem and restart the mailbox export or migration process.

For further information, see the Windows Server Performance Monitor.

• Click on the Performance tab in the Performance Monitor on the source Windows Server.
• You should keep an eye on the replication settings in both MSExchange and MSExchange Server.

The disk’s overall performance should be examined

Exchange administrators may monitor the performance of their discs using Disk Management Software. As well as the hard drive, drivers, and installers, they may also do a thorough examination. Install the most current RAID pack with SSD discs if everything seems to be in order. Make sure that the issue persists when you execute the migration cmdlet again after they have been installed.

Remove all prior Export Requests from the system

As a consequence of previously stuck requests, the transfer may be taking longer than expected. Remove them all at once, or execute each one individually, depending on the user’s preference. Instead, they may suspend the exporting process for roughly 10 minutes and then resume it. Cancel a mailbox’s export request using this command.

Remove-MoveRequest –Identity “mailbox address”

Enter a new mailbox export request for the same mailbox with prime priority.

New-MoveRequest –Identity “mailbox address” –BatchName “Existing Database to New Database Name” –Priority Highest

Admins may use this command to stop a user’s mailbox export request.

To put a hold on a move, use the command Suspend-MoveRequest with the option “mailbox address.”

Wait at least 20 minutes before proceeding with this mailbox export request.

Resume-MoveRequest -Identity “mailbox address”

The older versions of Microsoft’s software will no longer be supported once the newer ones are released. Exchange Server is always improving, therefore it’s critical that users update as soon as possible to take advantage of the latest features.

To be successful, all of the above solutions require expert-level skills

Many customers may continue to experience the issue even after adopting the methods outlined above, since the problem may be in the Exchange database, which may be remedied. As a final option, we’d like to recommend Regain Exchange Server Recovery to them.

Solution to Fix Mailbox Export Stalled due to Source Disk Latency Error

Regain Exchange Recovery is the appropriate solution if you want to easily migrate your Exchange database mails from one server to another or convert them to Outlook PST format. Corrupt or damaged offline EDB files may be recovered and moved to a live Exchange Server, Outlook PST files, or the Microsoft 365 cloud storage service using this software.. Straightforward migration from the source to the destination server is performed by using the Exchange EDB Recovery tool. Users may move or export their Exchange mailboxes/public folders more easily with advanced filtering and selecting options. This means that instead of reinstalling Exchange, customers may simply patch problematic mailboxes and migrate them to their chosen platform or format. Since it can recover EDB files created by all Exchange versions, it is extremely helpful.

The Regain EDB to PST Converter may be used to do small-scale migrations, such as Exchange upgrades, Exchange to the cloud migrations, cloud migrations, and Cloud to Cloud migrations. In addition, it’s compatible with all versions of Exchange Server and Office 365.
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Conclusion

Errors in Exchange mailbox export or migration are a common cause of irritation for administrators. The export of mailboxes may be halted from time to time due to disc delay. In order to go on with the process, it is required to fix any errors that may have occurred. Using a professional recovery tool is the easiest way to deal with the error.