Forum Discussion
Exchange Hybrid Migration Endpoint cannot be created
We cannot create an Exchange hybrid migration endpoint using remote server and the error when we create bypass verification is Error: CommunicationErrorTransientException: The call to 'http...
where is your Hybrid FQDN pointing from internet (e.g. on the firewall)? it can be an issue if you are doing certain SSL checks for HTTPS, which might alter your requests header
are you using the same certificate on that entry point, that you are using on the exchange server and is your Hybrid FQDN in the subject names?
sometimes, MRSProxy can be buggy... so in rare cases re-enabling MRSProxy after disabling can help.
you might also want to verify, whether ExtendedProtection is enabled, especially on EWS