Outlook prompts for credentials unless AutoDiscover is set for annonymous access
Exchange 2007, SP2 Release 5. Windows XP workstations joined to domain accessing exchange thru local network. When Outlook is launched, it prompts for credentials. The Autodiscover services is set for Integrated Authentication. If I enable annonymous access, then the credentials prompt goes away but other services such as Out of Office stop working.I have recreated the autodiscover Virtual Directory but that has not helped.
June 21st, 2011 5:11am

I found a solution. I recreated the EWS directory with the following commands. Then restart IIS. 1. Get-WebServicesVirtualDirectory 2. Remove-WebServicesVirtualDirectory -Identity "EWS (XXXXXXX)" -Confirm:$false 3. New-WebServicesVirtualDirectory -WebsiteName "XXXXXXXX" -InternalUrl https://INTERNAL_FQDN_OF_EXCHANGE/EWS/Exchange.asmx" -basicauthentication 1 -windowsauthentication Note, in step 2, the Identity would commonly be "EWS (Default Web Site)". In step 3. the Website Name would commonly be "Default Web Site ", note the space after the word Site.
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June 21st, 2011 5:51am

Hi, The problem could be caused by the corrupted EWS virtual direcotry or incorrect authentication settings. So create a new EWS vd with the defatul settings works. Thanks for sharing the resolution.Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Thanks Gen Lin-MSFT
June 27th, 2011 5:37am

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