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When you install Microsoft Exchange 2000 Server or Microsoft Exchange Server 2003 on a computer, you may receive the following error message:
The following error message may be reported in the Exchange Server Setup Progress.log file:
Setup failed installing sub-component information store service with error code 0xc007007e - please consult installation log.
[00:00:01]Interpreting line Register DLL:C:\Program Files\Exchsrvr\bin\drviis.dll
[00:00:02]CInsParser::ScProcessLine (K:\admin\src\libs\exsetup\hiddenw1.cxx:1226)Error code 0XC007007E (126): The specified module could not be found.
[00:00:03] Processing file 'd:\setup\i386\exchange\mdb_reg.ins', at or near line 388 (RegisterDLL:C:\Program Files\Exchsrvr\bin\drviis.dll) CInsParser::ScProcessLine (K:\admin\src\libs\exsetup\hiddenw1.cxx:486)
This behavior can occur if the Setup program is unable to locate the Exstrace.dll file.
To resolve this behavior, transfer a copy of the Exstrace.dll file into the Windows NT System32 folder, and then click Retry.
The Exstrace.dll file is installed with some components of Microsoft Internet Information Service (IIS) and Network Monitor. When these other services or programs install the file, the file moves into the Inetinfo folder and not into the System32 folder. During the Exchange computer installation, Regsrve may not be able to locate the Exstrace.dll file because of the location of the file.