Symptoms:
Smarts Topology sync is not working in Microsoft System Center Operations Manager (SCOM)
Smarts Topology information is not populating SCOM 2007/2012
Smarts topology information is missing after I upgraded IP from 7.X to a version 8.X, 9.0 and 9.1
The following error is seen in the OpsManager logs for Smarts IP environment:
5:50:11 AM [FATAL] There was an Error Inserting Topology Records: The class property value specified in the discovery data item is not valid. The value needs to adhere to the class.Class property name: EMC.NetworkDevice.IsManaged Class property value: Rule ID: 7ff26327-09e0-46ef-b12d-9593fde6a500