Exploring farm solutions

Have you identified all the third-party solutions in your current environment that will be migrated to the new environment? Have you checked the GAC? Have you identified new third-party solutions you would like to use or have replace old solutions? Be sure you check this location within your servers to make sure you have not missed anything. This happened mainly in the 2007 and 2010 days when some solutions were not deployed through SharePoint so that they could be seen and documented. So, if you are coming from one of the older versions of SharePoint, please make sure to check the GAC, which can be found in the Assemblies folder in C:\Windows, for any solutions that have been deployed using this method.

If you have a good list of solutions from third-party vendors, then you are in business. You can take that list of solutions and find out if the company has upgrades for SharePoint Server 2019. If they do have the solutions, which may have changed to the...