|Product:||Windows Operating System|
|Message:||Although the Remote Procedure Protocol (RRPC) Protocol Sequence %1 appears to be installed- the Directory Service’s attempt to use that Protocol Sequence failed with error %2. The Directory Service will be unable to use this Protocol Sequence for communication.|
Active Directory could not use the specified RPC protocol sequence. Although the RPC protocol sequence appears to be installed, Active Directory cannot use this protocol sequence for communication.
Verify that the network protocol software is installed and configured correctly. Monitor Event Viewer for other event log messages that might indicate a problem with this network protocol. If the operating system for this computer was recently upgraded, verify that any third-party networking software is compatible with the new system.