Getting tons of these errors every night..........pls let me know if there's anything further you guys need to diagnose this. Thanks

Thursday, 2-28-2008 2:03 am
Available Memory on server * was in a SUSPECT State
Current Value - 174MB
Peak Value - 137MB *
Max Value - 2,047MB
Current SUSPECT threshold = Less than 200 MB and Critical threshold = Less than 125 MB
Current SUSPECT trigger delay = 45 and Critical trigger delay = 60