Tom Collins does not want guests barging into SQL Server unannounced:
A common SQL Server Security check is to identify if the guest id is enabled. By default , the SQL Server guest id is disabled , but for various reasons it can become enabled.
To identify the guest status you can either use the SQL Server Management Studio (SSMS) or through SQL code.
Click through to see how. I don’t think I’ve ever seen a use case for having the guest account enabled on a SQL Server instance.