1

Exchange 2016 CAS Namespace Cutover Authentication Failure

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”

5

Unable to Remove Exchange 2010 Public Folder Database

One of the last rites of removing Exchange 2010 will be to remove the its legacy public folder database after the content has been moved to either shared mailboxes or to modern public folders.  Maybe you just decide to delete those Christmas party pictures from 1999 as an alternative to carrying the legacy content forward...

However deleting is simpler said than done.  For many years the project to… Read the rest “Unable to Remove Exchange 2010 Public Folder Database”

3

QuickTip – Which Managed Availability Components Are Unhealthy?

Exchange Managed Availability

Exchange 2013 introduced the Managed Availability feature, so Exchange can self monitor and perform recovery actions upon itself.  While this has greatly helped Exchange become more self-healing, one of the downsides is that there is no real UI for Managed Availability.  The only UI is the Managed Availability Event Logs.  All of the configuration inside of Exchange is done using PowerShell.  The … Read the rest “QuickTip – Which Managed Availability Components Are Unhealthy?”

0

Exchange 2019 CU7 Released

Exchange 2019 CU7 has been released to the Microsoft Volume Licensing Center!  Exchange 2019 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 2019 and can be used to install a fresh server or to update a previously installed one. Exchange… Read the rest “Exchange 2019 CU7 Released”

0

Exchange 2016 CU18 Released

Exchange 2016 CU18 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 one. Exchange 2013 h… Read the rest “Exchange 2016 CU18 Released”

2

September 2020 Security Updates For Exchange 2016 and 2019

September 2020 Exchange Security Updated - KB4577352

Today is patch Tuesday for September 2020, and amongst the updates released today are security fixes for Exchange 2016 and Exchange 2019.

More specifically, the fix is only available for the versions of Exchange 2016 and 2019 that are open for servicing.  This means that only the latest CUs can be serviced, and if you are running on an outdated CU then there is not way that you can receive these se… Read the rest “September 2020 Security Updates For Exchange 2016 and 2019”

0

Quick Tip – Manually Removing WAP Server

Update List of WAP Servers

Installing a Web Application Proxy (WAP) server consists of two distinct actions.  The first is installing the Remote Access role, and the second is to then configure the role.  The act of configuring Remote Access enables WAP to function as an AD FS proxy, and optionally enables you to also publish other applications.

Over time some of those servers may have been replaced without fully uninstallin… Read the rest “Quick Tip – Manually Removing WAP Server”

0

Exchange 2010 Decommission Checklist

The time approaches.   Exchange 2010 has almost transitioned out of its extended support lifecycle phase, and multiple organisations are completing the final components of their Exchange 2010 migration.

The last act is to uninstall Exchange 2010 once all of the resources have been moved to a newer version of Exchange. There are a few things to consider though and this is post to help organisations … Read the rest “Exchange 2010 Decommission Checklist”

0

Local Endpoint Used For Cross-Premises Free Busy Lookup

When troubleshooting cross-premises calendar availability issues, it can be useful to know the name of the local on-premises endpoint which is used.  By knowing the path and URL, you can then search the IIS logs for the path.

This will accelerate finding the correct entry(ies) and assist with troubleshooting.

The full listing of Hybrid deployment prerequisites is available on Docs.

 

Exchange 201

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6

Beware the Exchange Hybrid Configuration Wizard Doppelganger

Perhaps the best thing to come to Exchange over the last 10 years was the Hybrid Configuration Wizard (HCW).  While many take this feature for granted, if you had to manually deploy Exchange 2010 SP1 hybrid to Exchange Online you will shudder at the mention of the Service domain.  But let’s not dredge up those memories…

 

Recently an update was released to the HCW, and initially the update looke… Read the rest “Beware the Exchange Hybrid Configuration Wizard Doppelganger”