The Surface Area Configuration is included with the Workstation Components with SQL installations. Use the SQL Server Surface Area Configuration to enable, disable, start or stop the features, services and remote connectivity of your SQL Server 2005 installations. You can use SQL Server Surface Area Configuration on local and remote servers.
You will first need to ensure named pipes is enabled under the Remote Connections of the Instance where the Veeam Backup database resides. It would be ideal to check the "Local and remote connections
" radio button as well as "Using both TCP/IP and named pipes
" to ensure connections in all scenarios.