Limit dynamic RPC port range on Windows Server

Active Directory, DHCP, Group Policy, Replication, Trusts, Windows 7, Windows Networking, Windows Server 2003, Windows Server 2008 R2, Windows XP,

RPC by default can grab any dynamic port above 1024.  Security sometimes may ask you to limit that to a much narrower range.  A the minimum you should have about 100-200 ports available for RPC communication. Here is the registry setting: HKEY_LOCAL_MACHINE\Software\Microsoft\Rpc Ports: REG_MULTI_SZ: 5000-5100 PortsInternetAvailable: REG_SZ: Y UseInternetPorts: REG_SZ: Y   Full MS KB