Hi,
Also, check the following when behind firewall:
On OME Server:
1. Open TCP port 135.
2. Add the application "omremote.exe" (located in Essentials\bin) to the Firewall exception list.
On the Managed Node
1. Navigate to Administrative Tools > Windows Firewall with Advanced Security >Inbound Rules >File and Printer Sharing (Echo Request - ICMPv4-IN) >Enable Rule
2. NETSH advfirewall firewall SET rule group="remote administration" new enable=yes
Lakshmi.