SQL Server Error Msg 40645 – Servername “%.*ls” cannot be empty or null. It can only be made up of lowercase letters ‘a’-‘z’, the numbers 0-9 and the hyphen. The hyphen may not lead or trail in the name.

In this blog post, let’s learn about the error message “40645 – Servername “%.*ls” cannot be empty or null. It can only be made up of lowercase letters ‘a’-‘z’, the numbers 0-9 and the hyphen. The hyphen may not lead or trail in the name.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.

SQL Server Error Message

40645 – Servername “%.*ls” cannot be empty or null. It can only be made up of lowercase letters ‘a’-‘z’, the numbers 0-9 and the hyphen. The hyphen may not lead or trail in the name.

Reason for the Error

To be update soon…

Solution

To be update soon…