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Random Musings on Exchange and Virtualization

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  • Blog Post: Awareness – Is Your Federation Trust Metadata Updated?

    Imagine the scenario -- all is working well with your Office 365 hybrid solution until you come into the office tomorrow morning and you get calls saying on-premises users are unable to see the free/busy information for mailboxes in Office 365. While this sounds like a bad dream, this reality could come...
  • Blog Post: Using ADPropertiesOnly With Exchange Virtual Directory Cmdlet Shows False Positives

    Previously we discussed an interesting feature of the Exchange virtual directory cmdlets where they check data stored in AD, rather than making a trip to the server and querying its IIS metabase. For the details on this, please read the original post here: Slow Response To Exchange Virtual Directory...
  • Blog Post: Set AdminSessionADSettings ViewEntireForest To True By Default

    In Exchange 2010 the Set-AdServerSettings cmdlet is used to manage the AD environment in the current Exchange Management Shell (EMS) session. In Exchange 2007 there was a variable called AdminSessionADSettings for the same purpose. Exchange admins normally use the Set-AdServerSettings cmdlet to change...
  • Blog Post: Exchange 2010 SP3 RU7 Released

    The Exchange team today announced the availability of Update Rollup 7 for Exchange Server 2010 Service Pack 3 . RU7 is the latest rollup of customer fixes available for Exchange Server 2010. The release contains fixes for customer reported issues and previously released security bulletins. For example...
  • Blog Post: How To Rename DAG Network Using PowerShell

    Quick post for a Friday! A customer had an “interesting” issue where the DAG networks were not being displayed inside the Exchange Management Console. The underlying reason is because the implemented firewalls between Exchange servers, and then restricted network traffic between Exchange...
  • Blog Post: Retrieving Packets Received Discarded Perfmon Counter From Multiple Servers

    Whilst working on a customer’s Exchange 2010 DAG issue, I wrote a quick script to quickly grab some performance monitor counters from all of their Exchange servers. The issue that we were investigating was related to discarded packets when the VM was running on a certain hypervisor host. The customer...
  • Blog Post: Exchange and AntiVirus Exclusions – Still A Critical Conversation

    In a previous post we saw the Microsoft requirements for the exclusions that must be added to file system AV on Exchange servers. In a recent CritSit, basically an uber urgent support request where the customer is down or as good as down, I also got to examine some of the other causes for file system...
  • Blog Post: Exchange Scripting Agent - The Power Of Script

    Exchange 2010 introduced a very interesting feature – the Scripting Agent. The intent for this component is to provide extensibility to the base management tools and ensure consistency for the execution of cmdlets in the environment. The feature is not enabled by default and you must manually enable...
  • Blog Post: Exchange 2010 SP3 RU6 Released

    The Exchange team today announced the availability of Update Rollup 6 for Exchange Server 2010 Service Pack 3 . RU6 is the latest rollup of customer fixes available for Exchange Server 2010. The release contains fixes for customer reported issues and previously released security bulletins. For example...
  • Blog Post: End Of Exchange 2010 SP2 Support

    Time files and we are now at the end of the Exchange 2010 SP2 support lifecycle. And as previously discussed Windows XP and Office 2003 left extended support yesterday. It seems like only yesterday when Exchange 2010 SP2 was released in November 2011, The support lifecycle marker is the Exchange 2010...
  • Blog Post: Outlook Unable To Connect To Exchange –Default Gateway Not Found

    When doing some recent customer work for Exchange 2013, I ran into an annoying issue in one of my labs. Outlook 2013 refused to connect to Exchange 2013. A witch hunt then ensued to ensure that all of my Outlook Anywhere, Autodiscover and authentication settings were correct. Well it turns out that they...
  • Blog Post: Exchange PowerShell Filtering Examples

    When writing Exchange PowerShell scripts it is very useful to target specific machines to either query or set their properties. Thus the ability to generate a query that effectively targets the correct machines is a very good thing to know! The reason I'm posting this is that I see a lot of people...
  • Blog Post: Exchange 2007 And 2013 Outlook Anywhere Co-Existence

    Since we are still in the early stages of the year, and Exchange 2013 SP1 is now available, we will see lots of migrations to Exchange 2013. Exchange 2013 can be deployed into an existing Exchange organisation where Exchange 2007 SP3 RU10 + and/or Exchange 2010 SP3 exists. Let's look at an issue...
  • Blog Post: Exchange 2010 Tip Of The Day – 76 To 101

    For the final gripping chapter, here are tips #76 to 101 for your PowerShell pleasure! For the related articles in this series please see: Tips 1 – 25 Tips 26 - 50 Tips 51 – 75 Tip of the day #76: Exchange 2010 uses management role groups and management role assignment policies...
  • Blog Post: Exchange 2010 SP3 RU5 Released

    The Exchange team today announced the availability of Update Rollup 5 for Exchange Server 2010 Service Pack 3. RU5 is the latest rollup of customer fixes available for Exchange Server 2010. The release contains fixes for customer reported issues and previously released security bulletins. The astute...
  • Blog Post: Exchange 2010 Tip Of The Day – 51 To 75

    Here are the Exchange 2010 tips of the day from number 51 to 75. For the related articles in this series please see: Tips 1 - 25 Tips 26 – 50 Tips 76 - 101 Tip of the day #51: Want to determine whether a server is running Exchange Server 2010 Standard Edition or Exchange Server 2010 Enterprise Edition...
  • Blog Post: Exchange 2010 Tip Of The Day – 26 To 50

    Leading on where the previous post left off, here are the Exchange 2010 tips of the day from number 26 to 50. For the related articles in this series please see: Tips 1 – 25 Tips 51 – 75 Tips 76 - 101 Tip of the day #26: Forget a property name? Not a problem because you can use wildcard characters to...
  • Blog Post: Exchange 2010 Tip Of The Day – 1 To 25

    The Exchange Management Shell helps us discover the amazing capabilities of PowerShell. One way it does this is by displaying a tip of the day so that we are introduced to concepts and topics that inevitably will come in handy one day! Since I had not see a complete list of the Exchange 2010 ones, I...
  • Blog Post: Exchange RBAC Primer

    After publishing some recent articles on RBAC, there was some feedback that a primer on RBAC would also be welcomed. So here it is! What is RBAC? It is not Really Boring Access Control. RBAC = Role Based Access Control. As a concept it is not new , however Exchange 2010 was the first time that it has...
  • Blog Post: Exchange Upgrades–The Point Of No Return

    When designing an upgrade strategy from an older version of Exchange to a newer one, a question that needs to be addressed is do we need to introduce a version of Exchange that may not currently be present? This may be when upgrading from Exchange 2003 to Exchange 2010. If that organisation does not...
  • Blog Post: Slow Response To Exchange Virtual Directory Cmdlets

    Some folks in the field may have seen this before, but it’s worth bubbling up to make sure everyone is aware of it! I was sitting with one of my esteemed consulting colleagues today and he remarked that it was talking a long time to run one of his Exchange PowerShell scripts. The customer in...
  • Blog Post: Exchange 2010 SP2 – What You Need To Know

    Last week the Exchange team released SP2 for Exchange 2010 over on the Exchange team blog as described in the previous post which announced the upcoming release. I wanted to use this blog entry to provide links to all the relevant content for SP2 and to raise awareness of some specific issues so that...
  • Blog Post: RSS Feed For Recently Updated Exchange Articles

    This could be a handy dandy addition to your RSS feed so you can keep track of the updated articles relating to Exchange.     The RSS feed contains a list of the recent KBs for a given version of Exchange, this is the Exchange 2010 feed for example:       Exchange 2007 feed...
  • Blog Post: Exchange 2010 SP2 RU6 and SP3 Unable To Delete Messages

    Edit 30-5-2013:  Exchange 2010 SP3 RU1 has been released to address this issue.   Details and download are here .   Quick heads up on an issue from Exchange 2010 SP2 RU6 and that is also in Exchange 2010 SP3.  After installing either of these updates, users may report that they...
  • Blog Post: Exchange 2007 & 2010 Least Cost Routing

    Exchange 2007 & 2010 use a different message routing design than Exchange 2003.  This is an important aspect to understand when transitioning from Exchange 2003 upwards due to the change in behaviour.   TechNet has articles that discuses these concepts : Exchange 2010 http://technet...