We have had many customers demanding that disabled Active Directory user accounts are not imported into the SCSM CMDB through the Active Directory Connector. This can be achieved pretty easily with the introduction of LDAP filters in SCSM 2012. This post demonstrates how you can establish such a connector.
CMDB
Low Disk Space Incident Workflow
The local C: partition running out of free space is a very common incident that Service Desk teams have to deal with. In this article, I am going to show you how you can use SCSM together with the SCCM connector to build a workflow which will automatically raise new incidents when the free space on the C: drive on any client computer in your CMDB goes below a certain capacity.
Dieter Gasser's blog 