Issue When you try to edit the properties of a public folder to update an attribute such as the replicas in Exchange System Manager on a server that is running Microsoft Exchange Server 2003, you
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Unable to mail route between Exchange 2003 and Exchange Online (O365) SMTP 5.4.6
ISSUE When attempting to email any mailbox which is hosted in O365 where a hybrid (co-existence) configuration has been deployed with an on-premise Exchange 2003 organisation you receive NDR email messages and event log errors
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