ProxyCFG for Operations Manager is a really cool to to allow you to enable agent proxy on a group of Agents. Agent proxy is needed for certain discovery tasks. For example, for clusters, or for the Active Directory Management Pack…
Download the tool here http://home.comcast.net/~the_eastwoods/MOMDownloads/Proxycfg.zip
if you wanted to enable proxy on all computers (which is not a best practice, but can help in troubleshooting MP’s), use the following command:
ProxyCFG.exe -GroupProxyOn "All Computers"