Error: PHP Startup: Unable to load dynamic library '../php56/ext\\gd2' -- When using apache 2.4.* the php extension php_*.dll seems to work only by renaming them without the "php_" prefix ex. php_curl.dll to curl.dll Inside the file php.ini keep php_*.dll naming (ex. php_curl.dll).
Backup your project (cs, vb, whatever language). Start the command line as administrator. Run the following: dotnet tool install -g upgrade-assistant Move to the folder of your vs.net project: cd path\to\yourproject Run the following command to upgrade the project: upgrade-assistant upgrade path\to\yourproject\yourproject.sln