When using service accounts, you should have a specific AD account for each major service.
❌ Figure: Bad example - Using the default Administrator account
🙂 Figure: Better example - At least don't use the Administrator account, create a new account
✅ Figure: Best example - A specific AD account for each major server
❌ Figure: Bad example - Using the network admin's name
✅ Figure: Good example - A specific SQL Server account being used (Suggestion: Make the text box wider and link to the one in 'Services')