I.T. is wondering if they can give the SQL database instance a cname when they upgrade SQL server onto a new server. The services I have published are referencing an sde connection from a sql instance that does not have a cname. The new instance will be aliased as the original instance.
What, if anything, will happen to my services that use the existing registered database connections if a cname is used? Will the connection break? I am using Enterprise 10.8. SQL server is being upgraded form 2014 to 2019.
In general, you can rename the server and not damage a geodatabase. Altering the database name would invalidate a registered geodatabase, though .
You might need to change your connection files if the new name can't be found by Microsoft's connection library using the old name.