Doug's Think-Tank

An Eruption of Pondering...

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  • Blog Post: Paged and Non-paged Pool Issues on Exchange 2000/2003

    This blog provides some guidance on how to optimize Exchange 2000/2003 on Windows OS for paged and non-paged pool issues. Symptoms Event log might show Event ID 2020 Event Type: Error Event Source: Srv Event ID: 2020 Description: The server was unable to allocate from the system paged pool because...
  • Blog Post: Exchange 2007 Server Data Collection Script

    Recently I had experienced an issue where an Exchange 2007 server was having some ‘issues’. However before I was engaged to assist in resolving the issue, the admin rebooted the server and the issue went away…but only for a brief period. This led me to create a script to collect data...
  • Blog Post: Exchange Databases Failover Due to Low Memory

    Recently I had the (un)fortunate experience of troubleshooting an issue with Exchange 2010 DAG Database copies failing over to another servers.  This happened in several different environments that I was supporting, so I know it can happen to anyone.  Here is a short synopsis of this issue...
  • Blog Post: Managing Exchange Public Folder Permissions

    Over the years, there has been a request for finding various permissions on Public Folder objects within Exchange. I figured that I would share how to do some of these tasks, specific to Exchange 2010 and 2013. NOTE: The following commands use the Exchange Management Shell Exchange 2010 List...
  • Blog Post: Exchange Daily Messaging Report

    I was tasked with creating a daily messaging report that would meet the following requirements: Collect essential information about the Exchange 2007 environment Save the data in HTML format Email that report to users So I created a powershell script that would collect the following...
  • Blog Post: Changing the IP Address of an Exchange Cluster

    I was recently asked about how to change the IP address of an Exchange 2007 cluster. Here is the information that I shared: NOTE: Be sure to test this before trying in production. Each environment and application may respond differently to changes. For Windows 2003 Cluster 1....
  • Blog Post: Exchange 2007 Summary Script

    I was asked to post a blog on my script that collects summary information from an Exchange 2007 organization. Here is what the script does: Places the information in C:\Exchdata directory Pulls information about Active Directory Collects Server information Collects Routing information...
  • Blog Post: A Few Recommendations for Exchange 2010

    The following is a partial list of items that I recommend be reviewed for all Exchange 2010 server deployments.  The focus is to ensure that the environment is consistently configured, reliable, and performing optimally.  This is not an official, just something that I've been using for a while...
  • Blog Post: Tracking Down Exchange 2007 Database Bloat

    I recently dealt with an issue of an Exchange 2007 database being physically larger than what was expected. So we took a few actions to find out more about the cause of the bloat. This outlines some of the work we did to isolate that bloat. GATHER DATA We started by getting more information about the...
  • Blog Post: Public Folders – Folders Assistant Not Forwarding Messages

    A recent issue occurred where users were trying to create Public Folders Folder Assistant that would forward the post/inbound message to another Public Folder. The users were able to configure this, however the message was never forwarded. This is a short synopsis of how we resolved this problem. ...
  • Blog Post: A Few Hotfixes to Consider…

      UPDATED: June 2013 I decided to collect my own short list of hotfixes for that I have recommended for an Exchange 2010/Windows 2008 R2 environment.    NOTE: This does not include security hotfixes (WSUS) and is NOT an official list of hotfixes or build recommendation - this is my list...
  • Blog Post: There's something about 2007 Dynamic Distribution Groups

    Recently I ran into some issues with creating dynamic distribution lists or groups (DDL or DDG) in an Exchange 2007 environment. Let me share some things that I uncovered:   • Outlook users will not be able to see the membership of the DL using the GAL   • To view the membership, see http:...
  • Blog Post: Considerations for Exchange 2007 CCR Stretch Clusters

    Since Exchange 2007 deployed, I’ve been asked many times what should be considered when designing a stretch Cluster Continuous Replication (CCR) server configuration. A stretch CCR is typically where you have 1 node in 1 physical datacenter and the other CCR node in a separate physical datacenter, typically...
  • Blog Post: Some Public Folder content is not replicating from Exchange 2003 to Exchange 2007

    I’ve recently experienced several different cases where replication between Exchange 2003 to 2007 was not working 100%. Much of the content had come over but some was not. This blog talks about some of the steps that we took to isolate and resolve this. NOTE: Before you go any further, be sure to...
  • Blog Post: Random Questions on Exchange

    The following are some quick answers to a few random questions that have come my way regarding Exchange: 1. How often should Online Maintenance (OLM) run? How can I confirm that it completed? Configure the Online Maintenance schedule so that each database completes at least once a week. The Application...
  • Blog Post: 8dot3 and the Exchange 2010 SP3 LAG Copy

    Recently I deployed Exchange 2010 SP3 and experienced a few headaches when it came to the LAG copy.  It turns out that this was probably related to the known issue with Exchange 2010 SP3 and 8dot3Name , even though we never activated these copies and with no transaction logs on the active copy containing...