Error opening the snapshot disks using given transport mode: san Status 23

Hello guys,

I have installed a new platform for netbackup :

• Nbmaster : Windows Server 2008 R2 64x
• Nbmedia : Windows Server 2008 R2 64x

I would like to backup all my VMware machines using my SAN environement, I have configured my SAN using the Symantec Guide for VMware.

I'am using my media server as Host Backup for VMware, it says all my LUNs and datastores (When checking with diskmanager) from our EMC Array.

But all my VMware backup Job are failling whit this error :

"Error opening the snapshot disks using given transport mode: san Status 23"

for more details, see my attached file.

Thank you in advance for your help.

KAMOU