Outlook clients were not able to connect to cas this morning. Outlook would state it was waiting for information from exchange. After we traced down the affected CAS server, via SCOM console we looked at the performance of Rule - Collect: MSExchange RpcClientAccess: Average RPC Latency (object - MSExchange RpcClientAccess & Counter - RPC Averaged Latency). There was a huge spike to 140 but no associated alert was raised by SCOM. After the admins restarted the rpc service, the level returned to 8 and outlook clients can connect. I wonder if anyone has run into this? Questions I have: I can't seem to find the associated monitor for the collection rule - maybe there isn't one and depends on the cooralation engine?Where is the threashold set?looks like it's broken if the alert was not raised? how do I troubleshoot the cooralation engine decisions? Or does the monitor need to be created? Thanks for any advice!

There are a few monitors for this counter and they target Database Copy Performance and Information Store Performance. The IS performance class has two monitors one for > 70 msec for 5 minutes and one for > 50 msec for 5 minutes. When you look at these CAS boxes are these monitors enabled? Both monitors are checking every minute and comparing the threshold over five samples, so in five minutes. So one SPIKE is not going to average out to > 70 or > 50 if the other samples in the five minute interval were much lower.Regards, Blake Email: mengotto<at>hotmail.com Blog: http://discussitnow.wordpress.com/

There are a few monitors for this counter and they target Database Copy Performance and Information Store Performance. The IS performance class has two monitors one for > 70 msec for 5 minutes and one for > 50 msec for 5 minutes. When you look at these CAS boxes are these monitors enabled? Both monitors are checking every minute and comparing the threshold over five samples, so in five minutes. So one SPIKE is not going to average out to > 70 or > 50 if the other samples in the five minute interval were much lower.Regards, Blake Email: mengotto<at>hotmail.com Blog: http://discussitnow.wordpress.com/