Windows 7 Services

RPC Endpoint Mapper - Windows 7 Service

Resolves RPC interfaces identifiers to transport endpoints. If this service is stopped or disabled, programs using Remote Procedure Call (RPC) services will not function properly.

This service also exists in Windows 10 and 8.

Startup Type

Windows 7 edition without SP SP1
Starter Automatic Automatic
Home Basic Automatic Automatic
Home Premium Automatic Automatic
Professional Automatic Automatic
Ultimate Automatic Automatic
Enterprise Automatic Automatic

Default Properties

Display name:RPC Endpoint Mapper
Service name:RpcEptMapper
Path:%WinDir%\system32\svchost.exe -k RPCSS
Error control:normal
Group:COM Infrastructure
Object:NT AUTHORITY\NetworkService
  • SeChangeNotifyPrivilege
  • SeImpersonatePrivilege
  • SeCreateGlobalPrivilege

Default Behavior

The RPC Endpoint Mapper service runs as NT AUTHORITY\NetworkService in a shared process. It shares the executable file with other services. If the RPC Endpoint Mapper 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 RpcEptMapper service has failed to start.


If the RPC Endpoint Mapper is stopped, the Remote Procedure Call (RPC) fails to start and initialize.

Restore Default Startup Type of RPC Endpoint Mapper

Automated Restore

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

2. Save the RestoreRPCEndpointMapperWindows7.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 RpcEpMap.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.

Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me.