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These settings control how Windows manages connection keep alive transmissions. Including the timeout before keepalives are sent, the interval between keepalive transmissions and how often to send session keepalive packets on active sessions.

Open your registry and find the key below.

Create new DWORD value named "KeepAliveTime" and set it to equal the number of milliseconds to wait before sending keep alive packets (the default is 2 hours - 7,200,000 milliseconds).

Also create a new DWORD value (or string value for Windows 98) called "KeepAliveInterval" and set it to equal the time in milliseconds between retransmissions of keepalives, once the KeepAliveTime has expired (the default is 1 second - 1000 milliseconds).

Also create a new string value (or DWORD value for Windows 95) called "SessionKeepAlive" and set it to equal the time in seconds between keepalive packets on active sessions (the default is 3600 second - 1 hour).

Restart Windows for the change to take effect.

		(Default)	REG_SZ	(value not set)
		KeepAliveTime	REG_SZ	7200000
		KeepAliveInterval	REG_SZ	1000
		SessionKeepAlive	REG_SZ	3600

	HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP

Related Tweaks

• Control Keep Alive Parameters (Windows NT/2000/XP)

Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.