Author: Rhoderick Milne [MSFT]

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Unresolved RID 526 and 527 After ADPrep

Posted on by Rhoderick Milne [MSFT]
Unresolved RID 526 and 527 After ADPrep

After preparing AD and installing the first Windows Server 2019 DC into an existing AD environment, it was noted that there were unresolved SIDs listed at the root of the domain.  This was corelated to the AD 2019 upgrade as permissions had been audited and cleaned up prior due to previous issues in the environment.  Previously all DCs were Windows Server 2012 R2 with all updates installed.

After r… Read the rest “Unresolved RID 526 and 527 After ADPrep”

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Low Exchange Disk Space Monitors

Posted on by Rhoderick Milne [MSFT]
Low Exchange Disk Space Monitors

Exchange 2013 introduced us to the concept of Managed Availability.  This reduced the reliance on external entities such as System Center Operations Manager (SCOM) or other 3rd party monitoring tools.  Exchange became self aware, started to monitor itself and even perform certain recovery actions.

As an administrator we can review output of some of these monitoring actions using Exchange Management… Read the rest “Low Exchange Disk Space Monitors”

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Unable To Install PowerShell Modules – Unable To Download From URI Error

Posted on by Rhoderick Milne [MSFT]

When you try to install a PowerShell module or connect to the PowerShell Repository you may get the below error messages:

WARNING: Unable to download from URI 'https://go.microsoft.com/fwlink/?LinkID=627338&clcid=0x409' to ''.
WARNING: Unable to download the list of available providers. Check your internet connection.

PowerShell Error - Unable to download from URI

For make most glorious benefit engine of search:

PackageManagement\Install-Packag… Read the rest “Unable To Install PowerShell Modules – Unable To Download From URI Error”

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Microsoft Teams High CPU – Using Hardware Acceleration with the Microsoft Teams Client To Lower CPU Load

Posted on by Rhoderick Milne [MSFT]

One of the benefits of Windows as a service is that we receive constant updates, security enhancements and additions to the OS.  One of the new features in the 2004 build was the introduction of hardware accelerated GPU scheduling.  For details on this new feature and some background on how the Windows Display Driver Model has evolved please read this excellent article.

In this post I will post my … Read the rest “Microsoft Teams High CPU – Using Hardware Acceleration with the Microsoft Teams Client To Lower CPU Load”

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Exchange HCW Detects “Wrong” Version

Posted on by Rhoderick Milne [MSFT]

When running Exchange setup or the Exchange Hybrid Configuration Wizard (HCW), I always recommend looking at the version information that is shown on screen. This is part of the gross error check to make sure that the correct version is being used.

This habit is one of the recommendations made in the Mistakes to Avoid Installing Exchange CU post.

Sometime you still may see something that surprises yo… Read the rest “Exchange HCW Detects “Wrong” Version”

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AD FS Extranet Smart Account Lockout Protection

Posted on by Rhoderick Milne [MSFT]

Windows Server 2012 R2 AD FS added the Extranet Account Lockout protection feature.  The intent of Extranet Account Lockout protection is to add an additional feature to password authentication which traverses Web Application Proxy (WAP).  Note that the feature is not available for authentication directly targeting AD FS.  The reason for this is that the Extranet Account Lockout protection was des… Read the rest “AD FS Extranet Smart Account Lockout Protection”

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Exchange Setup Fails Due To Missing Scripting Agent Configuration File

Posted on by Rhoderick Milne [MSFT]

One of the key operational aspects to maintaining a sound environment is to document and understand how it is configured.  This becomes more and more important with added complexity and also as time goes by.  As the solution is in production for an increasing amount of time, the implementing staff may transition out of role or leave the organisation.  They may have even been external consultants a… Read the rest “Exchange Setup Fails Due To Missing Scripting Agent Configuration File”

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End of Exchange 2010 Support

Posted on by Rhoderick Milne [MSFT]

Exchange 2010 has proven to be a solid and innovative product over the last decade.  From consolidating three different flavours of continuous replication, adding RPC Client Access and the Exchange Hybrid Configuration Wizard in Service Pack 2 we have a lot to be thankful for.  However it is time so say goodbye to this old friend.

I can only imagine the number of time people have been running setup… Read the rest “End of Exchange 2010 Support”

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End of Exchange 2016 Mainstream Support

Posted on by Rhoderick Milne [MSFT]

October the 13th 2020 is not only the end of support for Office 2010 and Exchange 2010, it also signals that Exchange 2016 will transition into extended support.

Exchange 2016 will continued to be supported as per the lifecycle support policy.

The below excerpt from the Microsoft lifecycle page illustrates when Exchange 2016 will exit extended support in 2025.

 

End of Exchange 2016 Mainstream Support

 

Exchange 2016 will be servic… Read the rest “End of Exchange 2016 Mainstream Support”

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Exchange 2016 CAS Namespace Cutover Authentication Failure

Posted on by Rhoderick Milne [MSFT]

You have prepped for months, and tonight is the night!  It is the night of CAS namespace cutover to move the HTTPS namespaces from Exchange 2010 so that the point to Exchange 2013 or 2016.  DNS TTL was decremented.  Servers are all fully updated as are the Outlook clients and we are good to go.

The DNS change kicks in, and Outlook HTTPS traffic hits Exchange 2016 and we enter a spiral of never endi… Read the rest “Exchange 2016 CAS Namespace Cutover Authentication Failure”