The RPC protocol sequence is invalid.
A protocol sequence identifies the network protocols used to establish a connection between the client and server parts of a distributed (RPC) application. Windows 2000 recognizes this protocol sequence, but cannot interpret it.
Contact the supplier of the running application, or contact your technical support group to try to change the syntax of the protocol sequence. Servers can call the Windows 2000 API function RpcNetworkInqProtseqs( ) to obtain a list of the supported protocol sequences and their proper syntax.