Service Pack 4 & Tcp1323Opts

S

Steve B

I applied SP4 to a workstation running Win2000 Pro and network performance just dropped through the floor - took minutes to do even the simplest thing.

I've tracked it down to the registry key

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Tcp1323Opts

I had to set this to 3 on this machine (to enable scaling and timestamps) to solve an earlier problem but this setting with SP4 just seems to grind things to a halt.

If I change it back to 0 (or remove it) then performance is normal again (except my original problem - why I needed timestamps in the first place - is back!).

Has anyone else seen problems with this registry key and SP4?

Cheers,

Steve
 

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