Out of Band Critical Exchange Security Updates–March 2021
Security updates were released today for Exchange 2010, 2013, 2016 and 2019. Attacks were detected which leveraged these vulnerabilities, …
Security
Defender For Identity Sensor Service Fails To Start on AD FS – Sequence Contains No Elements
After installing Defender for Identity sensor onto AD FS, you may experience an issue where the service does not enter the running state.
In the …
Exchange December 2020 Security Updates
Please be aware that Exchange 2013, Exchange 2016 and Exchange 2019 security updates were released as part of the December 2020 patch Tuesday …
Exchange Managed Availability Broken With TLS 1.2 Changes
In most enterprise customers there is a segregation of duties between multiple teams. This could be networking and desktop. Or Windows Serv…
A Tale of Two Certificates–SHA1 Certificate Created During Exchange 2016 Installation
The security space is constantly evolving, and while a lot of the recent work has been on moving to TLS 1.2, a previous focus in the industry was to …
Unable To Install PowerShell Modules – Unable To Download From URI Error
When you try to install a PowerShell module or connect to the PowerShell Repository you may get the below error messages:
WARNING: Unable to dow…
September 2020 Security Updates For Exchange 2016 and 2019
Today is patch Tuesday for September 2020, and amongst the updates released today are security fixes for Exchange 2016 and Exchange 2019.
More …
Unable to Edit WAP Published Application in Mixed Mode Farm
During the upgrade process it is expected that there will be multiple versions of AD FS and WAP servers operating in a farm at a given time. …
Unable To Access WAP AD FS Proxy Instance Externally
When deploying AD FS and Web Application Proxy it is common to run into some networking issues. Normally this is due to firewall rules not being …
RDCMan Download Removed
Update 26-4-2021: RDCMan is now available again!
Rejoice and be thankful - see this post for more details please. I'll leave the post below for …