August 2008 - Posts

Slow Outlook Online Mode Performance
31 August 08 12:40 PM | mikelag | 0 Comments   

Switching to or running Outlook in Online mode against an Exchange 2003 server may exhibit slower than normal performance when clicking on particular folders in your mailbox that contain high item counts. This is a known issue when the “Show in Groups” Read More...

Filed under: Performance, Outlook

Scalable Networking Pack Rollup Released
28 August 08 08:03 AM | mikelag | 6 Comments   

I am sure you are all are intimately familiar with the problems with the Scalable Networking Pack (SNP) including it's use of the TCP Chimney feature that I blogged about at http://msexchangeteam.com/archive/2007/07/18/446400.aspx . The problems that Read More...

Filed under: Networking

Certain AMD processors might cause inaccurate counter data
26 August 08 07:45 PM | mikelag | 0 Comments   

If during your troubleshooting, you run in to some counters (Disk Read/Writes) that just don't seem correct based on the way the server is performing, then you might be running in to a drift calculation bug with certain AMD processors. You may also see Read More...

Filed under: Performance

How to enable Store PFD tracing upon Reboot
22 August 08 09:59 AM | mikelag | 0 Comments   

Tracing Store startup problems upon server reboot is not an easy task as ExTRA tracing does not survive the server being rebooted whereas in Exchange 2003, the “Enable Tracing” key did survive a reboot. After enabling an ExTRA session for PFD store startup Read More...

Filed under: Tracing

Search Folder Performance problem detection
22 August 08 09:12 AM | mikelag | 1 Comments   

One of the problems we see in support from time to time is High CPU or server not responding scenarios causing 623 events on Exchange servers. This has been talked about in great detail in the following links: Troubleshooting Version Store issues - JET_errVersionStoreOutOfMemory Read More...

Filed under: Performance

Using ExTRA to find long running transactions inside Store
21 August 08 10:40 AM | mikelag | 0 Comments   

During your normal flow of troubleshooting performance for Exchange, you may have the need to see what functions might be consuming higher than normal resources on your Exchange server. These functions might be causing spikes in CPU usage or sustained Read More...

Filed under: Performance, Tracing

Performance Troubleshooting using the PAL tool
20 August 08 08:06 PM | mikelag | 4 Comments   

If you have had Exchange performance issues in the past, you must know by now that there are a lot of variables that affect Exchange overall performance and sometimes took a long time to find root cause of those problems as they can get quite complex. Read More...

Filed under: Performance, Tools

XML updates for the PAL tool
20 August 08 07:53 PM | mikelag | 1 Comments   

Here you will find the latest XML updates to the PAL tool for Exchange 2003 and Exchange 2007. See below for more information Exchange 2003 XML Updates  - Download Interim update here (Last updated 8-15-2008 ) 5-25-2008 Updates - Added Slow QP threads, Read More...

Filed under: Performance, Tools

How to enable Exchange User Monitor tracing via the command line
20 August 08 08:09 AM | mikelag | 0 Comments   

For troubleshooting Exchange user performance related issues or to help plan your design for Exchange 2007, Exchange User Monitor (Exmon) is a great utility to have in your tool bag and contains a wealth of knowledge on your current user activities. Exmon Read More...

Filed under: Performance, Tracing, Tools

Outlook 2007 Performance tips and Messaging Guide for Office 2007
18 August 08 01:56 PM | mikelag | 0 Comments   

Need help troubleshooting Outlook 2007 performance issues? Well, this link will help you do just that to rule out the specific things that might be causing significant performance degradation. Performance tips for deploying Outlook 2007 http://technet.microsoft.com/en-us/library/cc179071.aspx Read More...

Filed under: Performance, Outlook

Upcoming!!! - Troubleshooting Exchange 2007 Performance
18 August 08 12:28 PM | mikelag | 0 Comments   

In the next couple of months, I will be talking about how I tackle performance related issues in Exchange 2007 and some of the methodology used. Exchange 2007 is a beast and you need to rule things out rather quickly to find possible root cause. I hope Read More...

Filed under: Performance