Summary

ReadTrace processing may unexpectedly fail with the following error:

A serious error condition (true == pVariant->FIsUnknownType()) has been encountered.
                Utility Error: Attempt to use an invalid variant type
                File: .\rpcbinary.cpp
                Line: 264
                Return Address: 0x000000013FB650A2
                Function: FConvertNCharStringFromRPC

More Information

A fix is available for this issue.  To request the fix, please email the alias documented in the "Problems and Assistance" section of the RML Help file.  Please also attach the readtrace.log and indicate the applicable hardware platform (X86 or X64).

Sarah Henwood | Microsoft SQL Server Escalation Services