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Author: Rhoderick Milne [MSFT]

2

Office 365 Autodiscover Lookup Process–Revisited

Posted on 12th January 2022 by Rhoderick Milne [MSFT]

Previously we looked at the Office 2010 client and how it used Autodiscover to detect Exchange Online (EXO) mailbox settings.  Outlook 2010 is no longer supported, so it is …

Messaging Autodiscover, Exchange, Exchange Online, Outlook
0

Change Certificate Friendly Name To Unique Value

Posted on 6th January 2022 by Rhoderick Milne [MSFT]

Imagine that you have two certificates installed, but for whatever reason the same friendly name was used for both of them.  You can certainly identity each of them by comparing …

Messaging, ProTips Certificates, Exchange 2016, Exchange 2019
1

IIS SMTP Virtual Server Component No Longer Supported

Posted on 8th December 2021 by Rhoderick Milne [MSFT]

Please consider this a quick PSA (Public Service Announcement) as it is still common that I run into environments with the IIS SMTP service still running and processing mail.

While …

Messaging, ProTips, Security Supportability Dates, Windows Server 2003
5

Sign-In Error 5000811 — Unable to verify token signature. The signing key Identifier Does Not Match Any Valid Registered Keys

Posted on 29th November 2021 by Rhoderick Milne [MSFT]

The error message "Sorry, that didn’t work. Please go back to office.com and try again” is probably one of the most vague that I've seen.  It's up there with "please …

Security AD FS, Office 365
0

Why Is The Exchange Security Update Not Installed?

Posted on 22nd November 2021 by Rhoderick Milne [MSFT]

The issue of "Why is the Exchange Security Update not installed?" has popped up frequently over the last few months due to the number of security releases for on-premises Exchange.…

Messaging, Security Exchange, Exchange 2013, Exchange 2013 SP1, Exchange 2016, Exchange 2019
0

Does Manually Running Azure AD Connect Change Schedule?

Posted on 19th November 2021 by Rhoderick Milne [MSFT]

Despite the current versions of Azure AD Connect running the main synchronisation task every 30 minutes, there are still times when we want to force the task.  As a result …

Security AAD Connect, Office 365
4

AD FS Web Application Proxy Re-Establish Proxy Trust

Posted on 16th November 2021 by Rhoderick Milne [MSFT]

In the Tailspintoys environment the AD FS Proxy was offline for month.  It was unable to contact the AD FS server on the internal network, and this allowed the short …

Security AD FS, Office 365
3

Unable To Renew Exchange Certificate – Friendly Name Is Too Long

Posted on 9th November 2021 by Rhoderick Milne [MSFT]

Your Exchange certificate is about to expire, so you initiate a standard process to renew it.  It's only a 5 minute job as that's how long it took last time, …

Messaging Certificates, Exchange 2013, Exchange 2013 SP1, Exchange 2016, Exchange 2019
0

Exchange 2016 CU22 and Exchange 2019 CU11 Setup Changes

Posted on 30th September 2021 by Rhoderick Milne [MSFT]

With the release of this month's Exchange updates, there are changes to not only the installation prerequisites but also the installation parameters.

These changes break down into two main areas.  …

Messaging Exchange, Exchange 2016, Exchange 2019
0

Exchange 2019 CU11 Released

Posted on 28th September 2021 by Rhoderick Milne [MSFT]

Exchange 2019 CU11 has been released to the Microsoft Volume Licensing Center and the public Microsoft Download site!  Exchange 2019 has a different servicing strategy than Exchange 2007/2010 and utilises …

Messaging Exchange, Exchange 2019

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