troubleshooting Question

Can't do mail migration from Exchange 2007 to Office365

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ItomicltdFlag for Ireland asked on
ExchangeMicrosoft 365
5 Comments1 Solution747 ViewsLast Modified:
I am trying to migrate 75 users mailboxes from Exchange2007 on premise to Office365. Their email accounts are setup in Office365 already. I have not however migrated any email from their on premise mailboxes to their cloud mailbox. I am trying to use Microsoft's Migration tool, but am failing the connectivity test with the following

Testing HTTP Authentication Methods for URL https://webmail.newbridge-college.ie/rpc/rpcproxy.dll?mail07.newbridge-college.ie:6002.
       The HTTP authentication test failed.
       
      Additional Details
       A Web exception occurred because an HTTP 404 - NotFound response was received from IIS6.

I have attached screenshot. OWA is working fine. Any ideaserr
ASKER CERTIFIED SOLUTION
justinoleary911

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