troubleshooting Question

Strange CPU spikes

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TomMonkey asked on
Networking Hardware-OtherServer Hardware
14 Comments3 Solutions1341 ViewsLast Modified:
Hello,

One of our Win 2003 Ent, SQL 2005 servers is behaving strangly.  Every 6th ping seems to take a long time to return.  It corresponds with a spike of activity on one of the processor cores.  the server has 2 NICs - I have updated to the latest drivers, tried using just the first, just the second and both.  We still get the slow ping.  I have attached the screen shot of the pings and the task manager.

How should I start to investigate this please?  I have looked at performance monitor which tells me the same as task manager but I don't know how to pin point the cause.

Cheers
Tom
Taskmanager.JPG
ping.JPG
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