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  • OWA Login problems

    Hi

    We have an exchange 2003 server with SP2. All exchange clients are working fine and mail transfers are fine too.

    But I have a strange problem with OWA.

    Some users are able to login through OWA and some are not able to.
    I tried to create new users. SOme of them login successfully and some dont.

    Few of old users are also not able to login.

    Tried restarting IIS, Exchange services, the server itself. But doesnot work.

    Log says 401.5 error which is basically "Denied by Custom ISAPI/CGI Web Application"

    I am not able to troubleshoot this one.

    Dont understand how some users login successfully and why some dont.

    Rajesh Mathrani
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