Error: 17832, Severity: 20, State: 10

Dear All,
I have a SharePoint Setup on the test environment and I am
getting the following error in SQL Server Log. This error occurs daily
once or twice.
Error: 17832, Severity: 20, State: 10
Connection opened but invalid login packet(s) sent. Connection closed.
I followed the steps as specified in the KB but still getting the same
error.Dear All,
I have a SharePoint Setup on the test environment and I am
getting the following error in SQL Server Log. This error occurs daily
once or twice.
Error: 17832, Severity: 20, State: 10
Connection opened but invalid login packet(s) sent. Connection closed.
I followed the steps as specified in the KB but still getting the same
error.
http://support.microsoft.com/kb/154628/
I have Windows Server 2003 with Service pack 1 and latest security
patches installed.
SharePoint Portal Server 2003 with Service pack 2 installed
SQL Server 2000 with SP3a
I there some thing very serious about this error or I can ignore the
error.