chandan_jha18 (5/16/2013)

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As you posted, you have already fixed SQL Server and given it a range between which it an fly up or down.

I would suggest to collect some 'Available Memory' through Perfmon or DMVs to see if the remaining memory on the OS goes too low(depending upon threshold of diagnostic manager). There could be some process other than SQL causing this and should be looked upon. Ideally the operating system should have 2-3 GBs free all the time. Going too low may crash it

Thanks

Chandan