# Windows System Recommendations

This section describes recommendations and requirements for IDOL for Microsoft Windows operating system platforms.

## TCP Port Requirements

On Microsoft Windows platforms, if your IDOL service is receiving a large number of actions, or you have a large number of services on the same machine, your machine might run out of available TCP ports.

If your system does not have enough ports, you can edit the following Windows registry parameters:

- `TCPTimedWaitDelay`

- `MaxUserPort`

These parameters are located in:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\

For more information about these registry parameters, refer to the Microsoft Windows documentation.

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