SYMPTOMS

After you modify or extend the Sms_def.mof file, Microsoft Systems Management Server (SMS) 2003 legacy clients and advanced clients may not report new hardware inventory data.
CAUSE
This behavior occurs if either of the following conditions is true:
The Sms_def.mof file contains syntax errors or incorrect data. A Sms_def.mof file that contains syntax errors or incorrect data cannot be compiled on the SMS 2003 site server.
Additional steps may be required to successfully complete the Sms_def.mof file modification. Any additional steps vary depending on the client type and the type of modification.

RESOLUTION
To resolve this behavior please read the full knowledge base article by clicking this link: