Will Authentication Services continue to function normally after upgrading or patching the underlying operating system?
If there are Operating System upgrades or patches applied, will this impact Authentication Services?
It is certainly possible that an OS upgrade or patch may modify / move / replace system files that Authentication Services utilizes.
It is possible that an OS patch or upgrade may affect files required by Authentication Services. If there are issues after an OS upgrade or patch, further actions may be required for Authentication Services including but not limited to:
-Restarting the operating system -rejoining Authentication Services to the domain -reinstalling the product
Following best practices, it would be recommended to test such OS upgrades and patches before deploying in a production environment..