Forum Discussion

Brass Contributor

Sep 06, 2020

HCW8078 - Migration Endpoint could not be created.

Hi, I just run the HCW and got below error. i think my firewall should allow 443 to new server? HCW8078 – Migration Endpoint could not be created. Microsoft.Exchange.Migration.MigrationServe...

Hybrid Exchange

ViniciusSR

Microsoft

Dec 29, 2020

aussupport the error states the call to https://webmail.domain.com/EWS/mrsproxy.svc so no port 25 here, this would be the port 443.

also please check if you have allowed the IPs and URLs of Office 365 in your network.