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Monthly Archives: March 2008

There seems to be some cases ofPresence Unknown“, that are hard to troubleshoot. Normally we see to different types of this problem.

The first is Presence Unknown for Internal contact (users in the same Active Directory). This is typical related to internal server issues, or non existing (non UC enabled) users. To work with these issues, the best way is to use the server and client logfiles (Windows Event Log & Communicator logfiles)

In cases of Presence Unknown for External Contact, both federated and Public IM, the problems is often related to DNS name resolution issues. Again i can recommend to use the logfiles availible.

Related articles:

Troubleshooting with Office Communicator 2007 Logs
http://it-proknowledge.blogspot.com/2008/01/troubleshooting-with-office.html

Public IM and Private domains:
http://it-proknowledge.blogspot.com/2008/01/public-im-and-private-domains.html

Please post any comment below, also if you have relevant problems. I will do what i can to help.
/Rasmus

MS has released a Visio template for OCS. You can get it here:

http://www.microsoft.com/downloads/details.aspx?familyid=543705F6-D02A-436E-8B34-5C796550022A&displaylang=en

Please note:

If the stencils are missing when you open the visio document, follow these steps:

1. Open the template in Visio.
2. Click File, and then choose Shapes.
3. At the bottom of the Shapes menu, choose Show Document Stencil.

/Rasmus

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