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…

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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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Arbitration Mailboxes – Lay of The Land

At this point in time, most Exchange administrators will have seen and worked with arbitration mailboxes.  Chances are that the first encounter was somewhat unexpected and revolved around an issue with Exchange 2013 health mailboxes or being unable to delete the default mailbox database in Exchange 2010. To illustrate where the different arbitration mailboxes were…

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Exchange 2016 Prerequisites AS-HTTP-Activation Missing

The below was an exercise in paying attention to detail for one of my customers.  They were in the middle of an Exchange 2010 to 2016 migration and were attempting to install the first Exchange 2016 server into the organisation. Windows Server 2016 was being used as the OS for these new servers. However it…

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Exchange 2016 CU8 Released

Exchange 2016 CU8 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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Office 365 Pilot Group Mail Flow Issues

When initially deploying and configuring Office 365, one of the initial questions is to select the on-premises objects which will be replicated to Azure Active Directory.  It is strongly recommended that all of the required directory and user hygiene is fully completed prior to the installation of Azure AD Connect.  It is easier and simpler…

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Exchange 2016 CU7 AD Forest Function Level Requirements

In September 2016, just over a year ago from the time of writing, Exchange 2016 CU3 added support for Windows 2016.  Exchange 2016 CU3 added support for installing Exchange 2016 onto Windows Server 2016 and also to have Windows 2016 Domain Controllers (DCs) in the environment.  There is a nuance with the latter.  In order…

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