License Manager 2019.1 system requirements on Windows Server 2012 R2 calls for Microsoft Visual C++ 2017 "Update 5 or later" (see below). However, ‘Update 5’ does not seem to correlate to any version number, such as 14.12.25810
How do you find out what "Update" has been applied?
Supported operating systems
Windows Server 2012 R2 Standard and Datacenter (64 bit [EM64T])
Latest update or service pack tested
August, 2019 update
Note: ArcGIS License Manager Windows requires Microsoft Visual C++ 2017 (update 5 or later) Redistributable (x86). If Visual C++ 2017 (update 5 or later) Redistributable is not already installed, run setup.exe to install it before setup.msi is launched. Setup.msi will not install if Microsoft Visual C++ 2017 (update 5 or later) Redistributable (x86) is not already installed.