Question

How do I know if the Active Directory Schema has already been extended?

Asked by: bradl3y

I removed a previous installation of SMS/IIS/SQL that was not working and started from scratch. I do not have schema admin priveleges so I chose not to extend the active directory schema. I suspect that it might have already been extended in the past, is there a way to check? And if it has already been extended, is there something I need to do to configure the SMS server so that it knows it has been extended?

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Asked On
2009-05-19 at 10:41:31ID24421700
Topic

MS System Center

Participating Experts
2
Points
500
Comments
8

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Answers

 

by: aleinssPosted on 2009-05-19 at 13:02:12ID: 24426000

Check for the existence of extadsch.log in the root of the C: drive.

Otherwise, you can use ADSIEDIT, drill into CN=System, CN=System Management and see if the schema classes are listed there.

 

by: aleinssPosted on 2009-05-19 at 13:04:19ID: 24426023

Also, be careful with ADSIEDIT, this is a low-level AD editor and should be handled with extreme care.

 

by: merowingerPosted on 2009-05-20 at 02:11:24ID: 24429753

Also note: You do not need to extend the ad schema. The schema extenstion is used from clients to get the information they need for configmgr client installation - it's also best practice, but you can also configure the cliuent push installation with all parameters needed so that you do not have to configure ad schema. In this case the Server Locator Point is used and not the active directory.
Here's a example:

ccmsetup.exe SMSSITECODE=XYZ SMSMP=mysccmserver.mydomain.local SMSSLP=mysccmserver

 

by: bradl3yPosted on 2009-05-20 at 05:50:46ID: 24431220

Listed under System Management:

CN=SMS-MP......
CN=SMS-SLP.....
CN=SMS-Site.....

 

by: bradl3yPosted on 2009-05-20 at 05:59:25ID: 24431309

I wasn't sure if that would indicate that the schema was extended, as the System Managment CN could have been created manually in the past. However, I loaded the AD Schema snap in and under classes i see a few such as:

mSSMSManagementPoint
mSSMSRoamingBoundaryRange

etc...

So this would confirm as well that the Schema has been extended, no?

 

by: aleinssPosted on 2009-05-20 at 06:16:13ID: 24431489

Just the existence of System Management would indicate to me that the schema was extended in the past.

 

by: bradl3yPosted on 2009-05-21 at 11:22:26ID: 24444368

Well, I did follow instructions to create the Sytems Managment container, but it was already there. I did add permissions for the SMS server computer account to have access to it, as it did not already. I did this to try to get the site detection working, and upon adding access for the SMS computer account, site detection started working. So I am not sure if this contianer was created in the past manually or by extending the schema, but seeing the classes under the "Active Directory Schema" seems to be a sure indication, please correct me if i am wrong.

 

by: aleinssPosted on 2009-05-21 at 12:45:14ID: 24445166

Extending the schema will create the System Management class

20120131-EE-VQP-002

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