Just enable the Web Service DT for Database (Server Manager) from the Admin Settings page to resolve the error for Server Manager
To resolve the error for accessing any service enable Web Service DT for Database (ARCOS Clients).
If you are not able to access Admin Setting you can run the below queries to do the changes from the Database.
Use the below queries to check if the aps_id is correct or not
select * from sso_arcos_Config where aps_id=53; or select * from sso_arcos_Config where aps_description like where ‘%DT%’;
Run the below query to change the setting
Use the below queries to check if the aps_id is correct or not
select * from sso_arcos_Config where aps_id=89; or select * from sso_arcos_Config where aps_description like where ‘%DT%’;
Run the below query to change the setting
Update sso_arcos_config set aps_defaultvalue=1 where aps_id=89;
Open SQL Server Configuration Manager
Expand SQL Server Network Configuration > Select Protocols for <Instance Name>.
Check if all the Protocol status is enabled or not.
Restart the SQL server instance from SQL Server Services or Services.msc Application.