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KtmRm for Distributed Transaction Coordinator - Windows 7 Service

Coordinates transactions between the Distributed Transaction Coordinator (MSDTC) and the Kernel Transaction Manager (KTM). If it is not needed, it is recommended that this service remain stopped. If it is needed, both MSDTC and KTM will start this service automatically. If this service is disabled, any MSDTC transaction interacting with a Kernel Resource Manager will fail and any services that explicitly depend on it will fail to start.

This service also exists in Windows 10, 8 and Vista.

Startup Type

Windows 7 edition without SP SP1
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Default Properties

Display name:KtmRm for Distributed Transaction Coordinator
Service name:KtmRm
Type:share
Path:%WinDir%\System32\svchost.exe -k NetworkServiceAndNoImpersonation
File:%WinDir%\system32\msdtckrm.dll
Error control:normal
Object:NT AUTHORITY\NetworkService
Privileges:
  • SeChangeNotifyPrivilege

Default Behavior

The KtmRm for Distributed Transaction Coordinator service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the KtmRm for Distributed Transaction Coordinator fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the KtmRm service has failed to start.

Dependencies

KtmRm for Distributed Transaction Coordinator will not start, if the following services are stopped or disabled:

Restore Default Startup Type for KtmRm for Distributed Transaction Coordinator

Automated Restore

1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.

2. Save the RestoreKtmRmforDistributedTransactionCoordinatorWindows7.bat file to any folder on your hard drive.

3. Right-click the downloaded batch file and select Run as administrator.

4. Restart the computer to save changes.

Note. Make sure that the msdtckrm.dll file exists in the %WinDir%\system32 folder. If this file is missing you can try to restore it from your Windows 7 installation media.