.NET Core 2.2 is a cross-platform and open-source .NET framework used by the VSA and some add-on products. If not already installed, Kaseya Server Setup will install it for you. Click the Fixit link next to this missing prerequisite to have Kaseya Server Setup fix it for you.
To Manually Install .NET Core 2.2
Download the package:
For OS x64 : https://download.visualstudio.microsoft.com/download/pr/a803822b-178b-4d21-bb7c-aaa1d209c341/e77c5ca1d0ea9963346655e2ec2733f2/dotnet-runtime-2.2.7-win-x64.exe
For OS x86: https://download.visualstudio.microsoft.com/download/pr/2b9e6f98-53ba-412d-8a4e-cb4092d8a293/602c597f378f5c5d527e91e1fa1ebb55/dotnet-runtime-2.2.7-win-x86.exe
Verify that .NET Core 2.2 service packs is installed navigate to:
For OS x64 : c:\Program Files\dotnet\shared\Microsoft.NETCore.App
For OS x86 : c:\Program Files (x86)\dotnet\shared\Microsoft.NETCore.App\