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Home > Windows > Q. Why can't I update the Active Directory (AD) schema for Microsoft Systems Management Server (SMS)? Schema update is enabled, and I have Schema Admins permission.

Q. Why can't I update the Active Directory (AD) schema for Microsoft Systems Management Server (SMS)? Schema update is enabled, and I have Schema Admins permission.

Jul. 25, 2004 John Savill | Windows IT Pro

A. I recently had this problem. I had a lab environment in which I repeatedly tried--and failed--to update the schema for SMS by running the command

extadsch.exe

After I ran the command, the log file contained the following information:

&lt07-12-2004 17:02:49&gt Modifying Active Directory Schema - with SMS
extensions.
&lt07-12-2004 17:02:52&gt DS
Root:CN=Schema,CN=Configuration,DC=savilltech,DC=com
&lt07-12-2004 17:03:24&gt Failed to create attribute cn=MS-SMS-Site-Code.
Error code = 8206.
&lt07-12-2004 17:03:56&gt Failed to create attribute cn=mS-SMS-Assignment
Site-Code. Error code = 8206.
&lt07-12-2004 17:04:28&gt Failed to create attribute cn=MS-SMS-Site-
Boundaries. Error code = 8206.
&lt07-12-2004 17:05:00&gt Failed to create attribute cn=MS-SMS-Roaming-
Boundaries. Error code = 8206.
&lt07-12-2004 17:05:32&gt Failed to create attribute cn=MS-SMS-Default-MP.
Error code = 8206.
&lt07-12-2004 17:06:04&gt Failed to create attribute cn=mS-SMS-Device-
Management-Point. Error code = 8206.
&lt07-12-2004 17:06:36&gt Failed to create attribute cn=MS-SMS-MP-Name.
Error code = 8206.
&lt07-12-2004 17:07:07&gt Failed to create attribute cn=MS-SMS-MP-Address.
Error code = 8206.
&lt07-12-2004 17:07:39&gt Failed to create attribute cn=MS-SMS-Ranged-IP-
Low. Error code = 8206.
&lt07-12-2004 17:08:11&gt Failed to create attribute cn=MS-SMS-Ranged-IP-
High. Error code = 8206.
&lt07-12-2004 17:08:11&gt Failed to create class cn=MS-SMS-Management-
Point. Error code = 8202.
&lt07-12-2004 17:08:11&gt Failed to create class cn=MS-SMS-Server-Locator-
Point. Error code = 8202.
&lt07-12-2004 17:08:11&gt Failed to create class cn=MS-SMS-Site. Error code
= 8202.
&lt07-12-2004 17:08:11&gt Failed to create class cn=MS-SMS-Roaming-
Boundary-Range. Error code = 8202.
&lt07-12-2004 17:08:11&gt Failed to extend the Active Directory schema.

After much investigation, I discovered the reason for the failed schema update: I had many domain controllers (DCs) that weren't running and consequently had replication errors. After I started the other DCs and resolved the replication errors by forcing a replication, the schema update worked perfectly, as you can see in the following log file output:

&lt07-12-2004 17:09:15&gt Modifying Active Directory Schema - with SMS
extensions.
&lt07-12-2004 17:09:15&gt DS
Root:CN=Schema,CN=Configuration,DC=savilltech,DC=com
&lt07-12-2004 17:09:18&gt Defined attribute cn=MS-SMS-Site-Code.
&lt07-12-2004 17:09:18&gt Defined attribute cn=mS-SMS-Assignment-Site-Code.
&lt07-12-2004 17:09:18&gt Defined attribute cn=MS-SMS-Site-Boundaries.
&lt07-12-2004 17:09:18&gt Defined attribute cn=MS-SMS-Roaming-Boundaries.
&lt07-12-2004 17:09:18&gt Defined attribute cn=MS-SMS-Default-MP.
&lt07-12-2004 17:09:18&gt Defined attribute cn=mS-SMS-Device-Management-
Point.
&lt07-12-2004 17:09:18&gt Defined attribute cn=MS-SMS-MP-Name.
&lt07-12-2004 17:09:18&gt Defined attribute cn=MS-SMS-MP-Address.
&lt07-12-2004 17:09:18&gt Defined attribute cn=MS-SMS-Ranged-IP-Low.
&lt07-12-2004 17:09:18&gt Defined attribute cn=MS-SMS-Ranged-IP-High.
&lt07-12-2004 17:09:18&gt Defined class cn=MS-SMS-Management-Point.
&lt07-12-2004 17:09:18&gt Defined class cn=MS-SMS-Server-Locator-Point.
&lt07-12-2004 17:09:18&gt Defined class cn=MS-SMS-Site.
&lt07-12-2004 17:09:18&gt Defined class cn=MS-SMS-Roaming-Boundary-Range.
&lt07-12-2004 17:09:18&gt Successfully extended the Active Directory
schema.

&lt07-12-2004 17:09:18&gt Please refer to the SMS documentation for
instructions on the manual
&lt07-12-2004 17:09:18&gt configuration of access rights in active
directory which may still
&lt07-12-2004 17:09:18&gt need to be performed. (Although the AD schema has
now been extended,
&lt07-12-2004 17:09:18&gt AD must be configured to allow each SMS Site
security rights to
&lt07-12-2004 17:09:18&gt publish in each of their domains.)

Discuss this Article 2

Christopher (not verified)
on Sep 24, 2004
Thanks a million, John. We had a SMS consultant visiting our site yesterday assisting us on our first install in our test lab. We restored a DC from backup and tried to extend the schema with the same results. Your solution worked perfectly. Thank you very much for taking the time to post your solution.

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