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FTD 3105 -Post Failover the active firewall unable to resolve the FQDN

adity
Level 1
Level 1

‎03-20-2025 01:05 AM

We have 3105firewall with S/W:7.3.1 and we have face a very Strange issue, when the failover was happen  so that we unable to resolve our few FQDN from FW.

Error: issue with dns setting.

 

 and when I did the manual failover again it started resolving.

0 Helpful
4 Replies 4

marce1000
Hall of Fame
Hall of Fame

‎03-20-2025 02:48 AM

 

        - Check the DNS settings when the failover has happened ,

  M.



-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
    When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '
0 Helpful

adity
Level 1
Level 1
In response to marce1000

‎03-20-2025 03:20 AM

I have checked the configuration are same.....

0 Helpful

adity
Level 1
Level 1

‎03-20-2025 03:59 AM

Please suggest me if any particular I need to check!!!!!!!!!!!!

0 Helpful

marce1000
Hall of Fame
Hall of Fame
In response to adity

‎03-20-2025 08:10 AM

 

    - What are the DNS settings ?

  M.



-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
    When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '
0 Helpful
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