The memory usage of the MSExchangeRepl.exe process keeps increasing when you perform a VSS backup on Exchange Server 2010 databases

Applies to: Exchange Server 2010 EnterpriseExchange Server 2010 Standard

Symptoms


When you perform the Volume Shadow Copy Service (VSS) backup of Exchange databases in a Microsoft Exchange Server 2010 environment, the memory usage of the MSExchangeRepl.exe process keeps increasing. When this issue occurs, the backup operation may fail. Additionally, the following events are logged in the Application log on the Exchange Server 2010 server:
Log Name:      Application
Source:        MSExchangeRepl
Date:          Date
Event ID:      4122
Task Category: Service
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      Computer
Description:
The Microsoft Exchange Replication service is terminating. Error The Microsoft Exchange Replication service is using too much memory (XXXX MiB). This exceeds the maximum expected value of XXXX MiB. Default can be overridden by setting registry key SOFTWARE\Microsoft\ExchangeServer\v14\Replay\Parameters\MaximumProcessPrivateMemoryMB.
Log Name:      Application
Source:        MSExchangeRepl
Date:          Date
Event ID:      4122
Task Category: Service
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      Computer
Description:
The Microsoft Exchange Replication service is terminating. Error The Microsoft Exchange Replication service has more than XXXX handles, which exceeds the maximum expected value of XXXX. Default can be overridden by setting registry key SOFTWARE\Microsoft\ExchangeServer\v14\Replay\Parameters\MaximumProcessHandleCount.

Cause


This issue occurs because the Exchange replication service VSS writer does not release the references to the XML description of backup components. Therefore, a handle leak occurs.


Resolution


To resolve this issue, install the following update rollup:
2608646 Description of Update Rollup 6 for Exchange Server 2010 Service Pack 1

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information


For more information about Exchange VSS writers, visit the following Microsoft website:For more information about the VSS backup, visit the following Microsoft website: