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Store LegacyExchangeDN when disabling mailbox/mailuser

There are many times when administrators have a reason to disable mail-related attributes on AD objects. How many of these admins have accidentally lost the LegacyExchangeDN? Thousands of admins do this, even in Exchange Online. Either leave the LegacyExchangeDN as-is after the AD account is first mail/mailbox-enabled, or store it in an alternative attribute when disabling mail-related attributes and when re-enabling ...more »


7 votes