We are receiving a message "Login failed for user ''. Reason: An attempt to logon using SQL authentication failed. Server is configured for Windows authentication only. [Client: <local machine.]
But when I look at the SQL Server security properties the radio button is on SQL server and Windows authentication mode. Also, I can interactively logon to SQL using SQL authentication.
I think the message is being generated by SAP Business One because I get an application hang message with a similar time stamp.