Attempting to run query in SQL Management Studio fails with the error:
CONFIG_TEXT: The server principal "SERVER\Administrator" is not able to access the database "exampleDB" under the current security context.
System administrator user
SERVER\Administrator is treated by MSSQL Server as
BUILTIN\Users user thus does not have appropriate privileges for the database.
Add the system administrator user
SERVER\Administrator to MSSQL Server using the following KB article: