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Exchange Not Using New Domain Controller

Many enterprises are moving forward with their digital transformation plans, and as part of this and server updates Domain Controllers are being updated to newer versions.  The Windows Server 2008 and Windows Server 2008 R2 end of support in January 2020 is also a business driver.

DC upgrades can happen independently of the Exchange team.  In many cases the Exchange admins are not notified of the p… Read the rest “Exchange Not Using New Domain Controller”

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Cmdlet Extension Agent Blocks New Exchange Server Install

One of the edge features in Exchange is the Cmdlet Extension Agent.  You can find some documentation online for this component along with some previous blog posts on this site.

What can sometimes take people by surprise is that Exchange setup checks to see if the Cmdlet Extension Agent is enabled during setup.  If it is enabled and the necessary configuration XML file is not present on the server b… Read the rest “Cmdlet Extension Agent Blocks New Exchange Server Install”

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Exchange 2013 CU22 Released

Exchange 2013 CU22 has been released to the Microsoft download centre!  Exchange 2013 has a different servicing strategy than Exchange 2007/2010 and utilises Cumulative Updates (CUs) rather than the Rollup Updates (RU/UR) which were used previously.    CUs are a complete installation of Exchange 2013 and can be used to install a fresh server or to update a previously installed one.  Exchange 2013 Read the rest “Exchange 2013 CU22 Released”

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Mail Not Flowing From Office 365 To On-Premises Exchange Server

This is a repro of a customer reported issue where they were having issues sending email from Office 365 to on-premises Exchange servers.  Apparently this had been working previously with no issues, then mailflow started to have problems.  Some email was flowing from Office 365, but some was delayed or not delivered at all.

There were no issues sending email from the on-premises Exchange servers to… Read the rest “Mail Not Flowing From Office 365 To On-Premises Exchange Server”

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Exchange Visual C++ Runtime Reminder

After seeing multiple comments on this topic internally and on the TechNet forums, it is worth reiterating the requirements for the Visual C++ Runtime.

Exchange requires the installation of the Visual C++ Runtime if it was not already installed.  Note that there is a different requirement for the Exchange Edge role.  Edge requires Visual C++ Runtime 2012.

This addition of the Visual C++ Runtime was … Read the rest “Exchange Visual C++ Runtime Reminder”

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Exchange 2013 CU21 Released

Exchange 2013 CU21 has been released to the Microsoft download centre!  Exchange 2013 has a different servicing strategy than Exchange 2007/2010 and utilises Cumulative Updates (CUs) rather than the Rollup Updates (RU/UR) which were used previously.    CUs are a complete installation of Exchange 2013 and can be used to install a fresh server or to update a previously installed one.  Exchange 2013 Read the rest “Exchange 2013 CU21 Released”

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Exchange Null Path Statement

Update 16-11-2020 -  Issue still persists.  Currently see the same behaviour on an Exchange 2016 CU18 server and a fresh Exchange 2013 Cu23 build.

Travelling to see different customers from one side of Canada to the other is always interesting.  This post is written whilst in Vancouver and is from a reported customer issue waaaaay out East.

The Exchange admins pointed out that they were consistently r… Read the rest “Exchange Null Path Statement”

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End of Exchange 2013 and Office 2013 Mainstream Support

Time marches on.  Exchange 2013 and Outlook 2013 have now exited out of mainstream support and will be serviced as per their extended support life cycle policy.

Several years Ready For The Next Episode? and The New Exchange were the first posts here on Exchange 2013.  The latter has an image of how the Exchange team blog used to look.  That was back when orange must have been the marketing colour of … Read the rest “End of Exchange 2013 and Office 2013 Mainstream Support”

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Outlook 2013 Autodiscover

Many, many moons ago, we looked at the functionality of Autodiscover for on-premises Exchange.  At the time of writing that post the focus was on Exchange 2010 and Outlook 2010.  Things change...

In this post we can look at the modifications introduced in Outlook 2013, and we will also need to review the changes in Outlook 2016 which will be in a separate post.

LastKnownGood

The documented flows for … Read the rest “Outlook 2013 Autodiscover”

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Transport Rule Changes For Next Exchange Cumulative Updates

Microsoft has provided rich support for Exchange on-premises to integrate with Exchange Online for several years.  This coexistence is one of the major strengths of the Microsoft cloud solution as it allows customers to perform Digital Transformation at their own pace.

It is not expected that an organisation will transition all of their on-premises mailboxes overnight, that would be unrealistic for… Read the rest “Transport Rule Changes For Next Exchange Cumulative Updates”