Nice IDP url for testing ADFS

An easy way to verify if ADFS is working properly is the idpinitiatedsignon page:

from which you can easily logon against the actual environment.

Since Windows Server 2016  this is not enabled by default anymore.

You can enable it:

Set-ADFSProperties -EnableIdpInitiatedSignon $True

and disable it back:

Set-ADFSProperties -EnableIdpInitiatedSignon $False

AD FS Diagnostic Module:

References: