Sunday, October 9, 2011

Offline Address Book 0x80190197

Issue: when Outlook 2007/2010 attempts to download the offline address book via CAS Web Distribution the following error is recieved:

Task 'Microsoft Exchange' reported error (0x80190197) : 'The operation failed'



This error occurs when Outlook attempts to download the offline address book through a proxy server. This is heavily identified... please see:

http://support.microsoft.com/kb/939765

However today I found another scenario which produces exactly the same error. My clients internally download the OAB through HTTP and externally they download the OAB via HTTPS.

In IIS7 go to the OAB Virtual Directory and click SSL Settings.



Untick Require SSL as internal clients are trying to download the OAB without SSL encryption.



Apply the settings.

4 comments:

  1. I never faced this error so I don't have any idea about the causes and solution of this error. As far as I understand with the given post I can say the error can be solved by following the steps given in this post. Thanks for the post.
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  2. This workaround worked for me! But I need to figure out the URL this OAB are trying to access.

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  3. This fix didn't work for me. I went to check the SSL settings and it was already unticked. :\

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