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Several Outlook 2010 users with Exchange 2010 mailboxes reported the following issues.

When creating a new message and adding a Universal distribution list to the To: field, they attempt to expand the membership of the DL and they get an “Cannot perform the requested operation. The command selected is not valid for the recipient.  The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action.” error message.

E2K10-11

In addition, if they tried to look at the Organization properties of the user, it appears blank and they get an “Unable to connect to retrieve additional data” error as shown below.

E2K10-12 

While we were troubleshooting the issues, we checked the status of the Microsoft Exchange Address Book services on all of our CAS servers.  On one of our CAS servers, we found a problem with the Microsoft Exchange Address Book service.  All of the other Microsoft Exchange services on the server were fine.  After restarting the Microsoft Exchange Address Book service on the CAS server, users were able to successfully expand the membership of a DL and view Organization information.

Posted on Monday, August 15, 2011 11:50 AM | Back to top


Comments on this post: Outlook 2010 and Exchange 2010 Issues

# re: Outlook 2010 and Exchange 2010 Issues
Requesting Gravatar...
Thank you soooo much!
I've been trying to fix a computer with this problem for 1½ days now.
I could never imagine that _this_ would be the problem...

/Gabe
Left by Gabe on Apr 18, 2012 7:21 AM

# re: Outlook 2010 and Exchange 2010 Issues
Requesting Gravatar...
Check whether the Microsoft Exchange address book service is running or no in your CAS servers.
Left by Murugan. S on Feb 01, 2015 4:13 AM

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