Outlook 2010 with Exchange 2010 slow same time everyday

Hi All,

I have a problem i cant get my head around.

We have an SBS 2011 Server that slows everyday around the same times approx 10am and 2pm. I have done a lot of research and found no processes scheduled around these times, outlook 2010 has connection issues and even file browsing from the server is slow. The main server drive tends to be working overtime but i cant see anything that could be causing this, is there a best practise to find out what could be causing this? Generally after 30 minutes of it being slow it rectifies itself.

Thanks
Eagle75auAsked:
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Scott GorcesterCTOCommented:
Have you checked the available memory when this is happening? Curious what the cpu and memory specs are and also the hard drives, what type, what level RAID, and what type of controller. Also would be interested to know what your pagefile settings are. Check your memory usage and cpu while things are running fine and then again when the slowness is occuring. Also be interested in if you are using WSUS and when the system is downloading updates.

Scott Gorcester MCITP
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Miguel Angel Perez MuñozCommented:
I had same issue and was caused by antivirus software. When download new virus definitions scans all databases and causes hard drives collapse and server was unresponsive. Disabling re-scans on new definitions solve the issue.
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Kash2nd Line EngineerCommented:
check the obvious things:

--- NO backup is running at that time
-- NO AV scans are taking place on the server and workstations
-- check on the server to make sure no maintenance tasks are running on the DBs etc.
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Eagle75auAuthor Commented:
I did a bit more research and found that the culprit maybe c:\windows\sysmsi\ssee\mssql.2005\mssql\datatempdb.mdf

At intervals this process will utilise 100% of the hard drive i/o, I have found a few articles and went through the processes, they seemed to work straight away and the performance went back to the drive instantly, after monitoring the server for another hour it started again. My question is can the SBSMonitoring process be stopped alltogether?
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Miguel Angel Perez MuñozCommented:
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Scott GorcesterCTOCommented:
From reading the link Miguel sent simple disabling the service did not help. The last post in the article shows a bit of programming that did the trick.

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/SBS_Small_Business_Server/Q_24117687.html

The author said he followed this set of instructions

http://social.technet.microsoft.com/Forums/en/smallbusinessserver/thread/d195baac-da8b-4387-9079-c55d5e1879b4 

Scott
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Eagle75auAuthor Commented:
Thanks Scott, your solution worked a treat, all the drive performance has returned. This fix should be a part of all rollouts and / or should be produced as an update for all to see. As far as I have found out this seems to be a big problem across many rollouts
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Scott GorcesterCTOCommented:
Excellent news! Glad to help!

Scott
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