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ISE DNS health check showing warning

Hi all,

I have a four new standalone nodes which will be going into a cluster, I am seeing two nodes have a DNS warning. All nodes are located in the same ca

NetworkMonkey101_0-1713418948817.png

I can ping both DNS servers .21 and .22 and nslookup up works to resolve its own IP

Why are two showing this?

 

2 Replies 2

balaji.bandi
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Do you have DNS Entry for that pan node which is failing ?

if your PC using same DNS, are you able to resolve that ?

All the ISE node giving same error ?

 

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I had a similar issue with a customer of mine a few months back, and the issue was caused by a buggy behaviour of ISE. If I remember correctly we could fix the issue by swapping the DNS servers order and then putting them back to how they were before.