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The case of the slow Exchange 2003 Server – Lessons learned
29 October 09 05:36 PM | mikelag | 0 Comments   
Recently we received a case in support with an Exchange 2003 server where message delivery was slow and the Local Delivery queue was getting backed up. The Local Delivery queue was actually reaching in to the two thousand range and would fluctuate around Read More...
How to fix/repair broken Exchange 2007 counters
21 October 09 05:09 PM | mikelag | 0 Comments   
I commonly get calls on the inability to see performance counters in Performance Monitor (perfmon) and the inability to query them through WMI. I thought I would take some time to write about how to look for any problems with Exchange Performance Counters Read More...
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Attachment(s): FixE2k7PerfCounters.zip
How to monitor and troubleshoot the use of Nonpaged pool memory in Exchange Server 2003 or in Exchange 2000 Server
15 September 09 01:06 PM | mikelag | 0 Comments   
This article is a high level overview on how to troubleshoot current Nonpaged pool memory usage on an Exchange server.  It explains what could be done to help mitigate some of the underlying problems that may be consuming Nonpaged pool memory and Read More...
New ADAccess Performance counters included with Exchange 2007 SP2
30 August 09 06:17 PM | mikelag | 0 Comments   
Exchange 2007 SP2 has a new set of ADAccess Performance counters that only shows performance data from domain controllers in the same site as the Exchange Server. This new object is MSExchange ADAccess Local Site Domain Controllers. Previously, you had Read More...
Exchange 2007 Memory usage and helpful troubleshooting tips
20 August 09 03:58 PM | mikelag | 0 Comments   
In support, we get a lot of statements stating that Exchange is using all or most of the memory on a given server. Some may say that is a bad thing, but for Exchange 2007 that is actually a good thing. In this blog, I would like to explain some of the Read More...
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The Case of the Mysterious Exchange Server Hang
04 August 09 09:45 AM | mikelag | 4 Comments   
Recently we had a case in which an Exchange 2003 server would hang and no longer accept any new RPC connections to the Information Store. The rest of the server seemed to be operating just fine, but it was the Store that was ultimately having the problems. Read More...
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How to collect per request Performance Stats for IIS on Exchange 2007
20 July 09 08:59 AM | mikelag | 0 Comments   
Ever had a time where you were trying to troubleshoot an IIS Performance related issue on Exchange 2007 and the built-in performance counters were not giving you the data that you needed to gain insight in to the problem? I know I have run in to these Read More...
Windows Desktop Search and the implications on WAN performance
04 May 09 10:26 AM | mikelag | 3 Comments   
Windows Desktop search (WDS) is a great tool to help you to search through the unwieldy plethora of documents or emails that you may have scattered across your desktop. With the addition of 3rd party IFilter add-ins, it makes it even easier to find what Read More...
Outlook 2007 Performance Improvements Hotfix
12 March 09 11:40 AM | mikelag | 1 Comments   
If you haven't heard already, we have released a Pre-SP2 hotfix that help improve Outlook performance and responsiveness in a big way. Here is an excerpt from the article. Performance improvements Performance and responsiveness are key concerns for all Read More...
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Client RPC Dialog box questionnaire for Administrators
12 February 09 12:00 PM | mikelag | 1 Comments   
There are times when you are troubleshooting an Exchange Server issue where it appears that the server is performing OK, but the users are still complaining of the dreaded RPC dialog box and hangs in their client. Most of the time an Exchange administrator Read More...
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Attachment(s): Client Questionnaire.doc
New Windows Dynamic Cache Service for 64-bit Windows 2003 servers
09 February 09 03:04 PM | mikelag | 0 Comments   
If you've ever had an issue where low memory conditions were causing working set trimming issues due to excessive use of the System File Cache, then we have just released a new service that can be used to help alleviate this issue called Microsoft Windows Read More...
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Performance Counter Collection Tools for Exchange
02 February 09 04:09 PM | mikelag | 0 Comments   
I've created a Category called Perfwiz in which you can easily find all Perfwiz versions. Click on http://blogs.technet.com/mikelag/archive/tags/Perfwiz/default.aspx to get you there. Have a good one!! Read More...
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Updated Exchange 2003 Perfwiz
02 February 09 03:18 PM | mikelag | 2 Comments   
For all of you folks out there still hanging on to Exchange 2003 and dealing with performance issues, I have taken the liberty to update the Perfwiz data counter collection to the latest/greatest counters as the old Perfwiz tool on our download site is Read More...
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Getting started with Exchange 2007 Performance monitoring and Windows 2008
23 January 09 05:41 AM | mikelag | 1 Comments   
With all the moving bells and whistles of Exchange 2007 and the amount of dependencies that Exchange relies on, it could be a bit overwhelming on where to get started. For some, they may have their own monitoring tools such as MOM/SCOM to pull this data, Read More...
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Steps to help mitigate Excessive Paging and Working Set trimming issues on Exchange 2007 servers
17 October 08 08:03 AM | mikelag | 3 Comments   
Previously, I wrote a blog about excessive paging on Exchange 2007 servers due to a system wide working set trimming problem at http://blogs.technet.com/mikelag/archive/2007/12/19/working-set-trimming.aspx . Over time, I have been asked to consult on Read More...
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