Return
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Title
Warning Mailbox error Error detected, attempting retry 1 of 5 DTD is prohibited in this XML document -
Description
One or more mailboxes fail to migrate and the following errors are logged in the migration log.
Warning Mailbox error Error detected, attempting retry 1 of 5 DTD is prohibited in this XML document.
Warning Mailbox error Error detected, attempting retry 2 of 5 Authentication failed because the remote party has closed the transport stream.
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Cause
Firewall or threat management gateway affecting the data stream during the migration, such as limiting the length of an EWS response or altering header information. -
Resolution
Remove any restrictions between the Exchange Server you are migrating from/to and the On Demand Migration for Email cloud servcie.
It IP Address used by the ODME cloud service can be found on the "Migrate" tab of your Migration plan in the ODME web console.