Q. How can I change the number of connections supported by Windows NFS?

A. You need to modify two registry keys to control the number of connections for NFS. The first registry key sets the total number concurrent connections to the NFS server and the second sets the number of concurrent connections from each IP address. I’ll set both to 8,192 (the maximum) in this example, which means a single IP could have 8,192 connections, if no other IP addresses connect, or those 8,192 connections could be spread over up to 8,192 other hosts.

1. Start the registry editor (regedit.exe).
2. Navigate to HKLM \System\CurrentControlSet\Services\RpcXdr\Parameters\.
3. If DefaultConcurrentConnections value doesn’t exist, create it as type DWORD and set it to 8192.
4. If MaxConcurrentConnectionsPerIP value doesn’t exist, create it as type DWORD and set to 8192.
5. Close the registry editor and reboot.

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