JSI Tip 1701. More on the RPC server is unavailble or busy.

If you receive:

Error 1723: The RPC server is too busy to complete this operation.

            -or-

Error 1722: The RPC server is unavailable.

it may be that you have a static value in PagedPoolSize.

Set PagedPoolSize to 0 at:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management

Shutdown and restart your computer.