Author: Rhoderick Milne [MSFT]

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Outlook Unexpectedly Changed Mail to Keep Offline Settings

Posted on by Rhoderick Milne [MSFT]

The below was noted when dealing with a customer issue where the VIP was complaining that Outlook had "unexpectedly" changed the amount of data which they had chosen to keep offline.  They had a laptop system with a very small SSD, which filled up due to the increased OST size.

Large OST issues happened frequently in Outlook 2010 as that version of the client would download all content to the OST. … Read the rest “Outlook Unexpectedly Changed Mail to Keep Offline Settings”

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Exchange Self Signed SHA2 Certificates

Posted on by Rhoderick Milne [MSFT]

In recent builds, Exchange has been updated to support the newer SHA2 certificates.  Exchange 2010 SP3 RU13 and Exchange 2013 CU 12 updated the SMIME control’s certificate to SHA2.

Additionally, Exchange 2013 CU13 and Exchange 2016 CU2 added support for generating the self signed certificates as SHA2 certs.

The below is for reference to save having to spin up labs in the future to review differences i… Read the rest “Exchange Self Signed SHA2 Certificates”

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Office 365 Exchange Hybrid Deployments Busting The Autodiscover Myth

Posted on by Rhoderick Milne [MSFT]

When configuring an Exchange Online hybrid deployment, there are many things to consider.  Asides from the various networking, certificate and client discussions there is also a requirement to ensure that Autodiscover is functioning correctly.  In addition to having Autodiscover correctly published to the Internet an additional wrinkle commonly pops up, which takes people down the wrong garden pat… Read the rest “Office 365 Exchange Hybrid Deployments Busting The Autodiscover Myth”

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Slow Exchange Server Boot In Azure VM

Posted on by Rhoderick Milne [MSFT]

One of the great uses of Azure is to host VMs which can address a number of business requirements.  While we can install Exchange 2013 on an Azure VM, this is generally not the most cost effect way to have mailboxes running in a cloud.  Office 365 is the recommended option to leverage cloud mailboxes since it has pricing and feature advantages.  Some customers may still wish to do deploy Azure Exch… Read the rest “Slow Exchange Server Boot In Azure VM”

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Dude, Where’s My File Share Witness

Posted on by Rhoderick Milne [MSFT]

The question of: I have just ran New-DatabaseAvailabilityGroup and I do not see a File Share Witness (FSW) folder or cluster resources. Where are all my Database Availability Group (DAG) and cluster resources…? What went wrong?

This is a common scenario when an admin is building a DAG, and during the process they check to see that what has changed on the servers. One thing that that causes a false … Read the rest “Dude, Where’s My File Share Witness”

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Script To Start Exchange Services

Posted on by Rhoderick Milne [MSFT]

Running scripts to start and stop services has been a task long associated with Exchange.  For those who pre-date Exchange 2000, do you remember the fun issues with the increased WaitToKillServiceTimeout value?  By default in ye olde days HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlWaitToKillServiceTimeout was 20,000 ms (20 secs).   Installing Exchange increased that to 600,000 ms (10 minutes). … Read the rest “Script To Start Exchange Services”

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Busting The Exchange InternalNLBBypassURL Myth

Posted on by Rhoderick Milne [MSFT]

In several recent engagements, there has been some interesting discussions about how to configure the CAS namespaces for the Exchange Web Services virtual directory.  Specifically this was around the configuration of the InternalNLBBypassUrl in Exchange 2013 and 2016.  Since this was set on Exchange 2007/2010 servers, there seems to be a desire to change it on 2013/2016 servers when troub… Read the rest “Busting The Exchange InternalNLBBypassURL Myth”

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Exchange 2016 CU2 Released

Posted on by Rhoderick Milne [MSFT]

Exchange 2016 CU2 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 update a previously installed o… Read the rest “Exchange 2016 CU2 Released”

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Exchange 2013 CU13 Released

Posted on by Rhoderick Milne [MSFT]

Exchange 2013 CU13 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 … Read the rest “Exchange 2013 CU13 Released”

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Exchange 2010 SP3 RU14 Released

Posted on by Rhoderick Milne [MSFT]
Exchange 2010 SP3 RU14 Released

Patch Tuesday this week heralded the arrival of Rollup Update Rollup 14 (RU14) for Exchange Server 2010 Service Pack 3.  RU14 is the latest rollup of customer fixes available for Exchange Server 2010. The release contains a security fix to address the issue in Microsoft Security Bulletin MS16-079, in addition to the previous fixes in RU13 and older.  Since security updates are delivered via a RU f… Read the rest “Exchange 2010 SP3 RU14 Released”