Verify DNS Settings
To verify DNS settings, perform these steps.
Procedure
Step 1
Verify this setting by pressing Settings.
Step 2
Choose Network Configuration and scroll to the DNS Server 1 option.
Step 3
Verify that a CNAME entry exists in the DNS server for the TFTP server and for the Cisco Unified Communications Manager system.
Step 4
Ensure that DNS is configured to do reverse look-ups.