Hi @J. Simms , welcome to Q&A forum!
If this account is used to set up each server in your farm by running the SharePoint Products Configuration Wizard, the initial Farm Configuration Wizard, and PowerShell, it requires the following permissions. Please check and compare:
Reference:
Account permissions and security settings in SharePoint Servers
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Update1======================
In order to better trouble shooting, I have found a blog for you to do a more detailed inspection. (For example: Make sure SQL Server is running on a service account that is granted with local administrator access rights! (Not running on accounts such as local service, network service!)
Please refer to this blog for more information about the steps:
Configuration Failed: Failed to create the configuration database in SharePoint Products Configuration Wizard
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In addition, please ensure that your SQL Server account and SQL browser account are in the correct running state with the correct permissions:
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