Anyone having 403 issues like: "The HTTP request was forbidden with client authentication scheme 'Negotiate'."
TestMigrationServerAvailabilityOutcome
{ErrorDetail='Microsoft.Exchange.Migration.MigrationServerConnectionFailedException:
The connection to the server 'XXX.resource.mailboxmigration.his.msappproxy.net' could not be completed.
---> Microsoft.Exchange.MailboxReplicationService.RemoteTransientException:
The call to 'https://XXX.resource.mailboxmigration.his.msappproxy.net/EWS/mrsproxy.svc' failed.
Error details: The HTTP request was forbidden with client authentication scheme 'Negotiate'. --> The remote server returned an error: (403) Forbidden..
---> Microsoft.Exchange.MailboxReplicationService.RemotePermanentException: The HTTP request was forbidden with client authentication scheme 'Negotiate'.
---> Microsoft.Exchange.MailboxReplicationService.RemotePermanentException: The remote server returned an error: (403) Forbidden.