Exchange 2007: Whats FYDIBOHF23SPDLT??

by Shijaz Abdulla on 14.06.2007 at 19:51

I decided to sharpen my skills on Exchange 2007 and Windows PowerShell.

So I got my 32-bit eval copy of Exchange 2007 and put it in on my virtualized test lab based on Microsoft Virtual Server 2005 R2. I built two machines, one a Windows Server 2003 domain controller running Exchange 2003 and another running Windows Server 2003 with Exchange Server 2007 (with Mailbox Server, Hub Transport Server, Client Access Server roles) joined to the same domain.

When I installed Exchange 2007, setup automatically placed Exchange 2007 in its own administrative group in the Exchange 2003 organization named “Exchange Administrative Group (FYDIBOHF23SPDLT)”.

Ever wondered what FYDIBOHF23SPDLT means?? Look at those letters again. If you replace each letter in FYDIBOHF23SPDLT with the previous letter in the alphabet, you get EXCHANGE12ROCKS. And boy, does it rock!!

Setup also creates a new routing group inside this new administrative group, and it is named “Exchange Routing Group (DWBGZMFD01QNBJR). Now guess what that means! Yes, replace each letter in DWBGZMFD01QNBJR with the next letter in the alphabet and you still get EXCHANGE12ROCKS! I guess it rocks both ways, huh?!

A routing group connector between this new routing group and your existing Exchange 2003 routing group enables mailflow between Exchange 2003 and Exchange 2007.
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