What is "KtmRm for Distributed Transaction Coordinator" in my Windows XP service list? And how is "KtmRm for Distributed Transaction Coordinator" service related to msdtckrm.dll?

"KtmRm for Distributed Transaction Coordinator" is a Windows XP service that "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." "KtmRm for Distributed Transaction Coordinator" service is provided by msdtckrm.dll DLL file.

Detailed information on "KtmRm for Distributed Transaction Coordinator" service:

Service name: KtmRm
Display name: KtmRm for Distributed Transaction Coordinator
Execution command: 
   C:\Windows\System32\svchost.exe -k NetworkServiceAndNoImpersonation
Start type: Manual
Service status: Stopped
Dependencies:
   Remote Procedure Call (RPC)
   Security Accounts Manager

"KtmRm for Distributed Transaction Coordinator" service is provided by a DLL file called: msdtckrm.dll:

Name: msdtckrm.dll
Location: C:\Windows\System32\msdtckrm.dll
Description: KMicrosoft Distributed Transaction Coordinator
File version: 6.1.7600.16385
Size: 301 KB (308,736 bytes)
Modified: Monday, July 13, 2009, 9:15:43 PM

Disabling "KtmRm for Distributed Transaction Coordinator" service should not cause any issues when running Windows XP system.

⇒Other "svchost.exe" Services on Windows XP

⇒⇒Windows XP Services Tutorials