A) Type the backup identify within the Configuration Backup Name
H) If you need to Encrypt/ Password Protect the backup file, Select the choice: Encrypt backup utilizing Password and supply password of your selection
S) Click on OK and you're achieved
The second technique to take IIS S backup is through the use of the command Line
%windirpercentsystem32inetsrvappcmd.exe add backup "Backup-Name"
Once the backup command is profitable, the information might be verified within the default location M:windowssystem32intersrvbackupBackup-Name
Refer Microsoft official Document : http://technet.microsoft.com/en-us/library/dd819406.aspx