SCOM 2007 R2: Event ID: 29106 "Failed to connect to an IPC Port: Access is denied"

Cause
=========
This can occur if the OpsMgr SDK Service and the OpsMgr Config Service are running under different credentials.

Resolution
===========
Make Sure the OpsMgr SDK Service and OpsMgr Config Service are configured to run using the same credentials.

Please refer the KB http://support.microsoft.com/kb/936220  for How to change the credentials for the OpsMgr SDK Service and for the OpsMgr Config Service in Microsoft System Center Operations Manager 2007.