Backup ADFS Server Testing

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I am looking to setup active-failover through my Managed DNS provider for my redundant ADFS setup. How do I test the connection to my backup ADFS server from an outside connection provided the backup ADFS server is not currently nat'd to a Public IP? (example: possibly hosts file minapulation?) Once I can confirm I can externally access my mail through my backup ADFS server I then plan on testing the active-failover by simply blocking my primary ADFS server through my firewall so that the active-failover from my managed DNS will engage.

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Hi Alex,

 

You can change your host file point to the IP that you want to test, and use the below procedure to verify that your ADFS is Ok.

 

https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/deployment/verify-that-a-federation-s...