Symantec Backup Exec 2012 and Exchange 2010 Dag Backup

When I try to select  servers from Exchange 2010 Dag in symantec backup exec 2012 , I am getting a strange error message and not able to select  the servers . 

This is under preferred DAG members to backup from . 

error message is :

microsoft sql server does not appear to be running

any help would be appreciated .  I am also attaching screen shots