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Parameters\KeepAliveInterval

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

Data type Range Default value

REG_DWORD

0x1–0xFFFFFFFF (milliseconds)

0x3E8 (1,000 milliseconds = 1 second)

Description

Specifies how often TCP repeats keep-alive transmissions when no response is received. TCP sends keep-alive transmissions to verify that idle connections are still active. This prevents TCP from inadvertently disconnecting active lines.

Note

  • Windows Server 2003 does not add this entry to the registry. You can add it by using the registry editor Regedit.exe.

See Also

Concepts

TcpMaxDataRetransmissions
KeepAliveTime