Hi, I am Installing exchange 2003 server enterprise on Windows 2003 server Enterprise edition . After the installation it gives me a message that installation was completed successfully but along with that I am getting another message saying that MSIS (Microsoft Information Store Service Failed) . Not able to find the Solution Searched in lot of forums tried installing several times(10-15) but still unable to find the resolution. Tried installing in different editions of windows 2003 std , Ent R2 with the related exchage edition std and Ent. i have this downloaded fromt he Microsoft Website. It is an evaluation Version. App Name: Store.exe App Ver 6.5.6944.3 AppStamp:3ef3897f Modname:kernel32.dll ModVer:5.2.3790.0 ModStamp:3e8022494 fdebug: 0 offset:0002c061

Can you provide the application event log error message ?