Exchange December 2020 Security Updates
Please be aware that Exchange 2013, Exchagne 2016 and Exchange 2019 security updates were released as part of the December 2020 patch Tuesday release. The overall rating is critical, and …
Security
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 Server platform and messaging. It was the split in …
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 stop …
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 download from URI 'https://go.microsoft.com/fwlink/?LinkID=627338&clcid=0x409' to …
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 specifically, the fix is only available for …
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. This is actually …
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 set correctly.
However we …
RDCMan Download Removed
A perennial favourite subject on the blog has been the topic of Remote Desktop Connection Manager (RDCMan). This was an internal Microsoft tool which was made available to customers. Initially …
Easy Way To Retrieve Certificate Thumbprint Using PowerShell
Since many certificate operations involve knowing the certificate's thumbprint, it is always useful to to have an easy way to get this information. In some of the online documentation it …
Update WAP Published Application Certificate
A base Web Application Proxy (WAP) provides AD FS proxy capability in addition to also publishing on-premises web applications to the Internet. This can be used to publish services such …