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Remove secondary DNS server from UCM 8.6

Hi,

My customer has disabled one of their DNS servers which is currently used as the secondary DNS on CUCM.

They are not replacing this server and will run with just a single DNS server (I do not think this is a good idea but they seem set on doing it).

Is there any way to remove the secondary DNS entry from UCM? - there does not seem to a CLI option to do this.

I have tried setting the secondary to 0.0.0.0 and to the IP address of the primary DNS but these options both fail as shown below.

admin:set network dns secondary 0.0.0.0

Executed command unsuccessfully

0.0.0.0 is an invalid IP address.

admin:set network dns secondary 10.1.1.100

Executed command unsuccessfully

10.1.1.100 is already a configured DNS IP address.

Does anyone know any way of clearing the secondary DNS server entry?

Thanks

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Cisco Employee

Remove secondary DNS server from UCM 8.6

Hi James,

Command is: delete dns

Example:

admin:delete dns 10.104.149.89

     ***   W A R N I N G   ***

This will cause the system to temporarily lose network connectivity

Continue (y/n)?y

trying to restart network...

admin:

You can use the above command for primary or secondary DNS.

HTH.

Regards,

Harmit.

View solution in original post

1 REPLY 1
Highlighted
Cisco Employee

Remove secondary DNS server from UCM 8.6

Hi James,

Command is: delete dns

Example:

admin:delete dns 10.104.149.89

     ***   W A R N I N G   ***

This will cause the system to temporarily lose network connectivity

Continue (y/n)?y

trying to restart network...

admin:

You can use the above command for primary or secondary DNS.

HTH.

Regards,

Harmit.

View solution in original post

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