So I tried to use the backup function in Sharepoint Server 2010 (Standard) and it looked pretty straight forward.

Just go to “Central Administration > Backup and Restore”
choose full Farm backup and add the path where to backup, \\SERVERNAME\BACKUPSHARE, and press the backup button.

Wait a minute or two for the preprocessing..

First error:

“This page contains one or more errors. Fix the following before continuing:
Directory\\SERVERNAME\BACKUPSHARE does not exist or the SQL Server service account and the Continue reading Sharepoint Server 2010 Backup Errors “Cannot open backup device” when using Admin GUI →