[cisco-voip] Windows and MS Dotnet gurus out there

[Dana Tong]

Hi all,

I Have a customer with an old Windows 2012 server with Cisco TMS 15.4.4 installed.
We are wanting to migrate to a new Server 2019 and SQL Express 2017.

The install and upgrade guide says to install the current version first, restore the database and then upgrade to TMS 15.11.

The problem is, is that TMS 15.4.4 says it won't install because dotnet 4.5 is not installed. However Windows server 2019 comes with dotnet 4.7 installed.
It's supposed to be compatible with versions down to 4.0 however TMS fails the validation and doesn't install.
There is a bunch of published bugs and the work-around is to uninstall dotnet 4.7 and then install 4.5. However this doesn't work and basically screws up the system and then you have to use DISM to re-install dotnet.

Has anyone ever seen this and has a suggestion on how to get TMS 15.4.4 to install? Or to get dotnet 4.5 to install? Dotnet 4.5 / or 4.0 won't install because it says 4.7 is installed.

Cheers
Dana

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