TDI Media Driver Service won't start after upgrade to Version 21.82.2123.0
TDI Media driver service won't start after upgrade to version 21.82.2123.0 This note applies to Shoretel Servers running on Windows Server 2008 R2 Enterprise. Shoreware TDI Media Driver Service fails to start because of a digital signature issue. Resolution: Install the microsoft patch that adds SHA-2 certificates on new .sys drivers after jan 1, 2016. Or just use the old pre-2016 version of TDIMedia.sys Resolution Your system will require the patches if your server is running Windows Server 2008 R2 Standard or Enterprise. See Advisory 3033929 then download and install the patches as needed, then reboot. for 2008 Server R2 https://www.catalog.update.microsoft.com/Search.aspx?q=3033929 Or for 2008 Server https://www.catalog.update.microsoft.com/Search.aspx?q=2763674 https://technet.microsoft.com/en-us/library/security/3033929 https://support.microsoft.com/en-us/kb/2763674 References: https://www.reddit.com/r/shoretel/comments/4abmu8/help_shoretel_tdi_media...