This morning I encountered an error I hadn't seen in a while, so I thought I would share the resolution with everyone (and keep a record for myself the next time it happens). When configuring SharePoint using PowerShell after the initial install, you may encounter the error shown below. [New-SPConfigurationDatabase: Cannot connect to database master at SQL server at ServerName. The database might not exist, or the current user does not have permission to connect to it.] The error is misleading, as it implies that either there is no Master database on the SQL server or the current user doesn’t have the correct permissions. I did check the user’s permissions in SQL:…