Have the following:
Client AD Forest (non-azure) with an RDS Server. Primary Forest (non-anzure) that houses a SQL 2016 Server. Bi-Directional Trust exists between domains.
I need for users in the Client Forest to be able to use their domain accounts to access a SQL Instance on my SQL Server.
Using SSMS, I can add Users and Groups from the Client Domain and grant permissions on the individual databases within that instance.
However, when testing from the client RDS Server, I get Failed Login. DB access is working because I can use a SQL Account (such as SA) and access is successful.
Any suggestions for configuration or troubleshooting?