During a Security Audit from your Windows Server you might have discovered that it is still supporting a Diffie-Hellman primes smaller than 1024-bit which is weak (see https://weakdh.org/) and you wish to change that.
You setup ADFS 3.0 with an Web Application Proxy and now need to change the SSL certificate for a published Web Application.
When using Import-Module you got an unblock file error
When an new Microsoft Exchange administrator try to login into an Microsoft Exchange server via RDP he get the error message that the profile cannot be loaded.
As announced by Google in the past (and reposted by Symantec here), Google Chrome will start to mistrust all Symantec, GeoTrust, Thawte and RapidSSL branded certificates issued before June 1, 2016 on August 8, 2017. This could lead to issues and such certificates should be replaced to avoid any side effects.