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  Asked: Mar 18 2005   8:47 AM GMT
  Asked by: Eukky1

An interesting Problem with OWA (W2K, Exchange 5) with IE access. Users can work with Mozilla&Co, but not with IE.


Exchange, Microsoft Windows, Outlook, Administration, Application management, Maintenance, Exchange 2000, Tech support, Windows 2000 Server

Hallo,
I have an interesting Problem with OWA with IE (Win2000, Exchange 5.0, IIS, the PC is also a ADS-DC). The user don't see the middle Frame (.../username/inbox/?cmd=contents) in OWA, and the Login-Window comes again and again, till it comes not and in the Middleframe stays "Loading". Log-Files on Server: 401.5 Error(ISAPI/CGI Authorization Error). Strange is that it has earlier worked, and with Mozilla/Firefox works even now, so it is not a Problem of too much Security, imho. Sometimes works even in IE, if one have tried 20-30 times, and works then for some time. I couldn't see any dependency to Windows internal authentication over IE. Could somebody please please give an advice.
Thanks a lot,
Eukky1

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Last Answered: Mar 18 2005  9:09 AM GMT  by GregNottage




Have you tried adding the OWA address to the Trusted Sites group in IE?
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ColinNZ  |   May 13 2005  5:13AM GMT

Was this server promoted to a DC AFTER IIS was installed?

When IIS is installed, it sets up IUSR and IWAM accounts - in the local SAM database if a member server, or in AD if a domain controller.

If a member server with IIS installed is promoted to a DC, then the local SAM accounts are now inaccessable - so certain things in IIS stop working. A clasic example is the logoff screen in OWA.

One fix is to uninstall/reinstall IIS. Although I’m not sure if you can do this after Exchange is installed.

There are KB articles on how to fix this manually - but lots of misinformation (even from Microsoft… It’s NOT a permissions problem!!) also.

If this is your problem, and you can’t reinstall IIS, check out (just as a starting point):

KB 269367 and KB 255770

Regards

Colin