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Attempting to validate VMware virtual machine server credentials results in Status 25 - cannot connect on socket
Article: 100002052
Last Published: 2014-03-28
Ratings: 1 1
Product(s): NetBackup & Alta Data Protection
Problem
Attempting to validate VMware virtual machine server credentials results in Status 25 - cannot connect on socket
Error Message
cannot connect on socket
Solution
Verify the server(s) listed in the NetBackup Administration Console on the master server under
Host Properties > Master Servers > master server properties > VMware Backup Hosts
The only servers listed here should be NetBackup servers performing as VMware Backup Hosts. If any Virtual Center Servers or ESX Hosts are listed here they should be removed.
The Virtual Center Server, or the ESX Hosts if there is not a Virtual Center Server in this environment, should be added in the NetBackup Administration Console under
Media and Device Management > Credentials > Virtual Machine Servers
The reason for the Status 25 is that the validation request is sent to the VMware Backup Host's NetBackup Client Service. This port and service are not present on a Virtual Center Server/ESX Host and will result in a "cannot connect on socket" failure.