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Outlook Web Access Failed to Install

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3 replies

by complexmind

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Installing Exchange 5.5 on fresh install of NT4 w/sp6a. Web Access fails: "Outlook Web Access failed to install properly. An unknown error has occured."
"Unknown Facility
Error ID no: 076a-c00f57b0"
System Event Log shows: "The HTTP Filter DLL c:\winnt\system32\exchfilt.dll failed to load."

What I've tried:
- Install Exchange SP4 then load Web Access. Same error.
- Wiped Exchange clean and reinstalled to a different Hard disk. Same error.
- Deleted DLL file and loaded from CD. Same error.
- Tried to register and unregister DLL. Error: "DllRegisterServer entry point was not found."

MS Technet of no use.

Any thoughts greatly appreciated.

3 replies

by tony.colgrove

What version of IIS are you running? I would recommend installing IIS4 and then reapplying SP6a.
You do not need to install the Exchange Server components to install OWA.

by complexmind

Can't believe I made that stupid mistake. Loaded NT4, then sp 6a and then IIS4 but I never re-applied sp 6a.

Once sp 6a was re-applied OWA loaded with no problem.

Thanks, I knew I should re-apply 6a but until you said it I totally forgot.

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