Problem:
Replication not moving from HO to Specific Store.
Symptoms:
Replication Log File Not generated and Event Viewer is showing "INVALID CLASS ERROR"
What need to be Check :
1. Right Click on My PC
2. Click on Manage
3. Now Go to Services and Applications.
4. Now Click on WMI Control and click on Properties
5. Now you will see WMI : invalid Class error showing
Solution :
This error needs to be resolved by Customer/Partner IT Team.