Set Configuration Database Server

R

ricjam

Good day,
I am presently at the screen to setup my configuration database.
I specified the Database Server:
and I also typed in the SQL Server database name:
For the database connection type I am using Windows Authentication. and the radio button is selected Users already have domain accounts. Do not create active directory accounts. But I keep receiving Login failed for user 'NT Authority\Network Service'. (Error code: 18456). I checked all the user accounts and I can't find anything wrong. Can someone please tell me what am I doing wrong or which account I need to add or did not check permissions on. Any assistance will be gladly appreciated. Thank you.
 
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