Exchange 2016 CU13 Released

Exchange 2016 CU13 has been released to the Microsoft download centre!  Exchange 2016 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 2016 and can be used to install a fresh server or to…


Incorrect or Misleading Exchange Attribute Date

When looking at the details of objects in Exchange Management Shell, it is often useful to know when an object was created or modified.  In a recent Office 365 engagement, the customer was convinced that one of the other administrators had made an unauthorised change to their environment as there was an apparent recent change…


Exchange 2016 CU12 Released

Exchange 2016 CU12 has been released to the Microsoft download centre!  Exchange 2016 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 2016 and can be used to install a fresh server or to…


Exchange 2016 CU11 Released (Updated C++ Runtime Notes)

Exchange 2016 CU11 has been released to the Microsoft download centre!  Exchange 2016 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 2016 and can be used to install a fresh server or to…


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…

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Exchange 2016 CU10 Released

Exchange 2016 CU10 has been released to the Microsoft download centre!  Exchange 2016 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 2016 and can be used to install a fresh server or to…

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Exchange Null Path Statement

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 running into an issue when they applied an Exchange Cumulative Update (CU) to…

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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…

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March 2018 Exchange Security Updates–Have You Updated?

Patch Tuesday this month featured updates to address security issues in Exchange 2010, 2013 and 2016.   Tuesday the 13th heralded the arrival of Rollup Update Rollup 20 (RU20) for Exchange Server 2010 Service Pack 3 along with updates for Exchange 2013 and 2016. Exchange 2010 SP3 RU20 is the latest rollup of customer fixes currently…


Exchange 2016 CU9 Released

Exchange 2016 CU9 has been released to the Microsoft download centre!  Exchange 2016 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 2016 and can be used to install a fresh server or to…

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