OCS 2007 R2 – Modifying DL Expansion URL

Now I have to take a break in between Lync Server 2010 modifications and bring you a issue that I ran into just the other day while at a client site. 

Issue – Distribution Expansion was not working on the Pool for users. As a result of the distribution list for contacts not working in communicator I noticed that the path was invalid.  The path was selected during the installation of the new pool. So now the challenge was modifying the path to the correct one.

Resolution – Now must people would say, “Just modify it in the GUI again.”  Well, you can not modify that option anymore once you have gone through the pool creation.  If you are thinking, “What about the pool configuration?” already tried that route too and was not able to.  Now a plausable option is to go through the creation of the pool and yes you will get the window again of modifying the “internal webfarm fqdn”. 

Note: If this route is chosen make sure you dont overwrite your existing database, so make sure you remove the check from the window when it appears.

So I didn’t choose that route for I didnt want to go through the hassel of configuring all the options that were before in regards to Meeting Content location, SQL drive locations, etc….

So I began looking for the WMI commands to run and came across quite a few that stated the following:

Log on to the server running the Address Book service as a member of the RTCUniversalServerAdmins group or an account with equivalent user rights.

  1. Click Start, and then click Run.
  2. In the Open box, type wbemtest.
  3. In the Windows Management Instrumentation Tester dialog box, click Connect.
  4. In the Connect dialog box, type root\cimv2 in the Namespace box.
  5. Click Connect.
  6. Click Open Instance.
  7. In the Get Object Path box, type MSFT_SIPAddressBookSetting, and then click OK.
  8. In the Object Editor for MSFT_SIPAddressBookSetting dialog box, click Instances.
  9. Double-click MSFT_SIPAddressBookSetting=@.
  10. Edit the properties that you want to modify.
  11. Close the Windows Management Instrumentation Tester dialog box.

Now the interesting thing here is that didnt work, once I got to Step #6 I was prompted with an error that you see below.

Now this is where the fun began for I hunted on site after site after site and didnt get anything talking about running into this issue.

So I wont keep you in suspence, I finally resolved the issue and was able to change the DL Expansion DL, but not by the instructions you see above; I had to go a different route that I will step you through below.

1: At the start menu go to run and type wbemtest and hit enter

2: Click Connect

3: Now in the Namspace section enter root\cimv2 and click on Connect

 4: Select Query

5: In the Query dialog box, enter the name of the setting you are trying to edit. 

6: Type in the path of “MSFT_SIPGroupExpansionSetting” and you have to know the path of the OCS installation into SQL; ,mine is “CSSQL3\OCSPool02” and then click apply.

7:  Now you are going to double click the results

8: Now you are going to scroll down to the property that you are modifying.  In this scenario we are editing the internal DL Expansion Web URL

9: Once you select it, click on edit property to modify the parameter to what you want. 

10: To close out the dialog boxes, make sure you click on Save Object, then close, the close again to safely save your edits.

Hopefully this blog has been helpfull and I hope that many of you dont have to go through the pain that I had to go through to get this accomplished. 

Byron Spurlock


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