I have a 2003r2 x32 server and an XP VM running in VMware ESXi 5.1u1 that once an hour or so pegs the CPU at 25%. After doing some investigation I've found that it's wuaueng.dll doing the pegging. If I run wuauclt.exe /detectnow I am able to trigger the problem. Is wuaueng/wuauclt/svchost supposed to run for 10 to 15 minutes at 25% CPU usage?
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