Changing AOS cluster name and IP address

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Hey There,

In my company we have built a new live Environment with Multiple AOS's and Load Balancer.

My question is when going live the it Department Suggested once the change is going they will change the server name with new ip in the DNS, they showed me demo and it's working, but i feel there is something not working fine, so what the impact if 600 users worked that way ??

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André Arnaud de Cal... 304,508 Super User 2026 Season 1 on at

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Hi Mohammed,

Please elaborate. Which IP addresses from which server(s) will be changed? The old or the new ones?

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Old Aos name is : AOSSERVER with ip : ***.**.*.142

New Aos Name(AXLB) name is : AXLB with ip : ***.**.*.243

Clients Configuration used to look at the old server (AOSSERVER), so they changed in DNS the Ip of AOSSERVER to 243 , so now if we ping AOSSERVER it replies with ip 243, and so clients are now connected to the new aos.

But i feel that this solution is not right, so am i overreacting or what ?

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André Arnaud de Cal... 304,508 Super User 2026 Season 1 on at

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Hi Mohammed,

I don't follow how it has been done exactly. To prevent any DNS issues (e.g. DNS server not available), I always recommend to setup IP addresses on the client configurations anyway.

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BorisD 2,826 Moderator on at

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Hello Mohammed,

I would not recommend the suggestion from the your IT Department to change the A record in DNS to look like it is a server that it isn't.

This would be a troubleshooting nightmare for anyone in the future. If someone down the line decides to do some Active Directory cleanup and forgets about this entry, then removes the DNS record because they think that server no longer exists. All your client will have problems connecting.

This is just a really bad idea. Take the time and do it right now, because once you are live it will be a lot harder to fix this.

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