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  • Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 441
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OWA LOGIN SCREEN

Something very strange has just started happening to some of my users that use OWA for email access.  I am running Exchange 2003.  When a user logs into their email account through the browser they see their mail fine. However, as soon as they try and open an email, or go to contacts, or calendar, or options a new browser window appears that displays the original OWA logon screen.  If they log on to that screen the option they selected appears.  

It happens if I login with premier or basic options.

It is not happening for all my email uses.  For example, I can logon with a test account I have with no problems.  I can navigate through emails, contacts and options with no problems.  
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carric01
Asked:
carric01
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1 Solution
 
LeeDerbyshireCommented:
Have a look at your ExchWeb Virtual Directory in IIS Manager.  Does it still have Anonymous Access enabled?
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carric01Author Commented:
Yes Anonymous Access is enabled on the ExchWeb VD
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LeeDerbyshireCommented:
How many Exchange servers do you have?  Is it a FE/BE setup?
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carric01Author Commented:
I have one back end exchange server.
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LeeDerbyshireCommented:
How many Exchange Virtual Servers/Directories (as created in ESM) are on the BE?
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carric01Author Commented:
There is one single Server/Directory
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LeeDerbyshireCommented:
Is Forms-based Authentication enabled on the BE Virtual Server?
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carric01Author Commented:
Yes it is enabled with the compression set to high
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LeeDerbyshireCommented:
FE/BE OWA doesn't work with FBA enabled on the BE server.  The BE must have both Basic and Integrated auth enabled in ESM, and SSL not required in IIS Manager.  If you want to use FBA, then it can only be enabled on the FE.
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carric01Author Commented:
FBA has been enabled on this server since day one along with SSL required.  I have had this server running that way for over a year with no issues.  It seems as though this issue started happening after I upgraded to Service pack 2 for Exchange
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LeeDerbyshireCommented:
I can't explain why it has ever worked for some users - I can only assume that were going direct to the BE server to use OWA with https://beserver/exchange , instead of going through the FE server.  I can assure you, though, that anyone going to the FE server to use OWA will have problems if FBA is enabled on the BE server.
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