Critical Error for SharePoint_Config Database

Question

Hi,
I searched all forums for three days but can't find the answer.
These topics won't work : Answer 1 Answer 2 Answer 3
The server returns this critical error:
SQL database login for 'SharePoint_Config' on instance 'ServerSql' failed. Additional error information from SQL Server is included below.
Login failed for user 'DOMAIN\SharepointServerName$'.

I set every service to use Domain\Administrator Account in windows and set this user ( Domain\Administrator) as dbowner in sql server but that don't work and I get error every 90 Seconds.

Any help will be appreciated

Answer 1

@Safa

I do not see that error in my side. Here is a tip you could try:

Please go to Services -> SharePoint Timer Service -> Properties -> Log on tab -> Change the account used as farm account when in PS Configure. Then restart the SharePoint Timer Service and
SharePoint server.

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Answer 2

Thanks Emily, But as I said I did that before. Everything looks good but error is active every 90 Seconds.