When migrating from on-prem Exchange to Office 365, it's best to treat it like any other cross-forest move and populate each object's LegacyExchangeDN value as an X500 address, otherwise you'll get NDR … [Keep Reading]
Exchange Online
Month: March 2015
AD Attributes
msExchRemoteRecipientType
When dealing with attributes synced to O365 via FIM \ DirSync \ AAD Sync, you will frequently encounter the msExchRemoteRecipient type attribute, previously empty in on-prem Exchange (only msExchRecipientTypeDetails and msExchRecipientDisplayType had … [Keep Reading]
Exchange Online
What is this …. (FYDIBOHF23SPDLT)
You may notice that the Legacy Exchange DN value in onprem AD typically contains something like :
ou=External (FYDIBOHF23SPDLT)/cn=Recipients
Just in case you were curious, the FYDIBOHF23SPDLT value is a constant, it’s … [Keep Reading]
Exchange Online
Provisioning Remote Object Types in Exchange Online
Many times, once a customer has migrated from Exchange on-premises to Exchange Online, they want to completely decommission ALL on-premises Exchange servers. The issue this presents is that on-prem AD is authoritative … [Keep Reading]