image In Operations Manager, the Gateway server role is primary used for monitoring servers outside the Root Management Servers trusted Domain boundary.  Another popular use of the Gateway role is for performance improvements by placing gateways in sites with poor network connectivity.  Sometimes it is necessary to “chain” multiple gateways together to get monitor across multiple untrusted boundaries and if you've ever wanted to do this or wondered how it could be done then this great post on the Operations Manager Team blog is for you:

http://blogs.technet.com/momteam/archive/2009/12/08/how-to-link-multiple-gateway-servers-together.aspx

J.C. Hornbeck | System Center Knowledge Engineer