AD Authentication on linux.

Hi All,

I have tried to connect to Linux server using AD authentication  and i could do it successfully by following the link

https://docs.microsoft.com/en-us/sql/linux/sql-server-linux-active-directory-auth-overview?view=sql-server-2017

Scenario 1: I can connect to the Sql server which is installed on Linux using SSMS with windows authentication by using a domain account Domain name\Test account. But i couldn't do any action (ex: Creating db ,accessing database etc..) even though it has SYS Admin permission. Getting errors like "account doesn't have permission", "User do not have permission to perform this action" etc..

Scenario 2:I can connect to Sql server which is installed on Linux using SSMS with WA by using Domain name\Testaccount2 and i can do any action(ex: Create db ,accessing database etc..).

LDAP Account Name :Testacccount2 had sudo access on Linux machine.

Here my AD account name and LDAP account name is matching and i could all SYS admin operations.

Scenario 1 is not working and scenario 2 is working. Is this expected behavior or limitation in SQL Linux. Kindly help if there is any way to make work Scenario 1.

Please let mw know if needed more details.

Thanks is advance!