sql server express on domain controller

Have you tried to start the service manually...have you check the Event log for errors when you try to start the engine

Hi,

You can't use Network Service or Local Service account for your SQL Server, what account did you choose?

Additionally, SQL Server is not supported on ReadOnly domain controller:
https://support.microsoft.com/en-us/help/2032911/you-may-encounter-problems-when-installing-sql-server-on-a-domain-cont

Regards,
Daniel

The sql server express is not installed on RO DC
Attach Event viewer errorsthks

Hi,

Your service sid account doesn't have access to it's data folders. I suggest to start off on E: drive. Add NT SERVICE\MSSQL$SQLEXPRESS user to list. Then, it depends on an inheritance settings, but I suggest to grant aforementioned account read & execute, list folder contents, read (the same as on root E: drive). These should stay until you get into DATA and LOG directories, both should be granted under FullControl to the SQL Server account.

Regards,
Daniel

Daniel_PL My system not have a Drive E: only C:
thanks for you reply, Anyway, I'm going to check the logs

Looks like SQL Server wasn't properly installed. If drive E: doesn't exists, it existed during the installation and now it's complaining about it.
Perhaps best thing to do is to reinstall.