Add info about MIM MFA Server dependency

Author: jpettere

articles/active-directory/authentication/how-to-migrate-mfa-server-to-azure-mfa.md

@@ -107,9 +107,10 @@ As part of enrolling users to use Microsoft Authenticator as a second factor, we
 Microsoft Identity Manager (MIM) SSPR can use MFA Server to invoke SMS one-time passcodes as part of the password reset flow. 
 MIM can't be configured to use Azure AD Multi-Factor Authentication. 
 We recommend you evaluate moving your SSPR service to Azure AD SSPR.
-
 You can use the opportunity of users registering for Azure AD Multi-Factor Authentication to use the combined registration experience to register for Azure AD SSPR.
 
+If you can't move your SSPR service, or you leverage MFA Server to invoke MFA requests for Privileged Access Management (PAM) scenarios, we recommend you update to an [alternate 3rd party MFA option](https://learn.microsoft.com/en-us/microsoft-identity-manager/working-with-custommfaserver-for-mim).
+
 ### RADIUS clients and Azure AD Multi-Factor Authentication
 
 MFA Server supports RADIUS to invoke multifactor authentication for applications and network devices that support the protocol.