Hello, I have windows 200e server and exchange 2003 installed. Only 30 mailboxes and all are less than 1 GB mail box sizes.Last one month the server is very slow. If I open any application such as event viewer, active directory users and group, or EMC, it takes about 3 minutes to get open. Out look web access is very slow. In short the server very slow response.There no changes made recently. There is no hardware errors. One error showing in the event is defaultapppool' exceeded time limits.CPU usage is only 20 %, It has got 4 GB RAM , Usge is nly 1.5 GB. 3GB swicth has been not set.

Have you installed updates and rebooted lately?Karl

No, I have not installed any updates recently. It is about 6 months ago.

Are you kidding? Run updates and reboot :) Karl

Download and install Exchange Best Practice Analyzer and run it against your Exchange Server. Also run Windows Updates as suggested.MVP Exchange Server

It is always recommended to implement /3gb whenevr you have more than more than 1 GB of ram. http://support.microsoft.com/kb/823440 Check if AV is not doing excessive scanning exchange folders How to Properly Configure File System Antivirus Software on Exchange Server http://www.msexchange.org/articles/Properly-Configure-file-system-antivirus-Exchange.html Also make sure users not added any kind of search tool addin in outlook which might be polling servers. Run the below tool to see if there is any kind of bottelnecking on systems Exchange 2003 Performance Troubleshooting Analyzer Tool v1.0 (ExPTA) http://www.msexchange.org/tutorials/Exchange-2003-Performance-Troubleshooting-Analyzer-Tool-v10-ExPTA.html last but not least take a look @ below Exchange Server 2003 Performance: Ten Things to Think About http://technet.microsoft.com/en-us/library/aa996023%28EXCHG.65%29.aspx Vinod |CCNA|MCSE 2003 +Messaging|MCTS|ITIL V3|

Thanks for the posts.I have done two actions as suggested in the posts.1) Updated allcritical updates.2) Set the 3 GB switch.after that store process memory usage went from 600 MB to 950 MB. However the server seems like normal speed now. I will observe for a week and let you guys know the result.Thanks again for all valuable advice. This is a great place.

Hi,Please alwayskeep your serverhave the latest updates installed.It's a bad idea that 6 months without installing any updates.I suggest you read the following article, it consists of four topics that describe the daily, weekly, and monthly maintenance tasks that, for a Microsoft Exchange Server 2003 organization, are required to keep an Information Technology (IT) organization running smoothly and without interruption. Exchange Server 2003 Operations Guidehttp://technet.microsoft.com/en-us/library/bb124883(EXCHG.65).aspxHope this helps. Thanks,Elvis

Hi, Running a server without patch update is like running a car without serving for 6 months; always remember to do housekeeping work. Have a task list (check list) created to for this if you dont have automated management platform in place. ---CheersPadman De Silva