Has anyone encountered this Event ID message? I have an Exchange07 server that shares a server with a DC the server went down Friday and gave this error in the event log. Source: MS Exchange Common Event ID: 4999 Watson report about to be sent to dw20.exe for process id: 2564, with parameters: E12, c-RTL-AMD64, 08.00.0685.020, edgetransport, M.E.T.A.S.Core, M.E.S.SpfMacro.cctor, System.IndexOutOfRangeException, 6d1d, 08.00.0685.020 Any ideas?Tommy