250 Hello - Exchange 2013

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Arbitration Mailboxes – Lay of The Land

Posted on 19th March 2018 by Rhoderick Milne [MSFT]

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 first introduced, multiple version… Read the rest “Arbitration Mailboxes – Lay of The Land”

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Exchange 2013 CU19 Released

Posted on 19th December 2017 by Rhoderick Milne [MSFT]

Exchange 2013 CU19 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 CU19 Released”

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Office 365 Pilot Group Mail Flow Issues

Posted on 9th October 2017 by Rhoderick Milne [MSFT]

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 to remediate UPN, invalid SMTP domains and other issues p… Read the rest “Office 365 Pilot Group Mail Flow Issues”

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How To Compare Exchange Schema Changes

Posted on 3rd October 2017 by Rhoderick Milne [MSFT]

In the initial versions of Exchange, there was no Active Directory. In this land before time, Windows NT directory services was available and Primary Domain Controllers and Backup Domain Controllers ruled the roost. Exchange 4.0 to 5.5 maintained a separate directory in Exchange over and above the Windows NT directory. This all changed with the advent of Active Directory and Exchange 2000. I w… Read the rest “How To Compare Exchange Schema Changes”

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Exchange 2013 CU18 Released

Posted on 19th September 2017 by Rhoderick Milne [MSFT]

Exchange 2013 CU18 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 CU18 Released”

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Automating Enable-Remote Mailbox

Posted on 27th July 2017 by Rhoderick Milne [MSFT]

While operating in an Exchange hybrid model, users expect to see a consistent GAL no matter if they or other people to be contacted are on-premises or in Exchange Online. In order for the Exchange on-premises servers to be able to build up a complete GAL there needs to be at least some mailbox information added to the AD user object. If Exchange Online mailboxes are added by simply assigning an … Read the rest “Automating Enable-Remote Mailbox”

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July 2017 Exchange Security Updates–Have You Updated?

Posted on 25th July 2017 by Rhoderick Milne [MSFT]

Patch Tuesday this month featured updates to address security issues in Exchange 2010, 2013 and 2016. Two weeks ago today, July 11th heralded the arrival of Rollup Update Rollup 18 (RU18) for Exchange Server 2010 Service Pack 3 along with updates for Exchange 2013 and 2016.

Exchange 2010 SP3 RU18 is the latest rollup of customer fixes currently available for Exchange Server 2010. All updates, bo… Read the rest “July 2017 Exchange Security Updates–Have You Updated?”

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Script To Check Exchange NTFS Cluster Size

Posted on 21st July 2017 by Rhoderick Milne [MSFT]

An issue came to light when onsite recently with a customer. The design specifications from the Exchange team were not being correctly implemented. In this environment there is a separate Windows team who are responsible for managing the underlying server OS and hardware. They are to follow the prescribed process and steps laid down by the application owner but this was not consistently happeni… Read the rest “Script To Check Exchange NTFS Cluster Size”

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Exchange 2013 CU17 Released

Posted on 27th June 2017 by Rhoderick Milne [MSFT]

Exchange 2013 CU17 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 CU17 Released”

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Exchange Setup – Certificate Is Expired

Posted on 18th April 2017 by Rhoderick Milne [MSFT]

The below is one of my Exchange 2013 lab servers which ran into an error when upgrading to Exchange 2013 CU13. This was because I had deliberately broken Outlook Anywhere in order to replicate a customer situation where they had let the Outlook Anywhere certificate expire. When running the CU upgrade process, setup failed when restoring the Mailbox Role Transport Service:

setup.exe /Mode:Upgrad… Read the rest “Exchange Setup – Certificate Is Expired”