Agent Install

I was doing a migration project from System Center - Operations Manager 2007 to System Center - Operations Manager 2012 R2. Some computers had troubles with the upgrade of the agent. I first tried to do a client push deployment. 80 % of the installations succeeded, but I had a couple of computers with failed installations/upgrades. 1. Start the agent installation manually on the failed computer. Run the MOMAgent.msi installer. 2. ...

Problem The following error occurs in the ccm.log when doing a remote client install: Unable to connect to WMI (root\ccm) on remote machine “COMPUTER” Solution Allow the following rules in Windows Firewall: Outbound and inbound: File and Printer Sharing Inbound: Windows Management Instrumentation (WMI)