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How the Sumatra Double-Booking cmdlet works

First: you can always get help at the PowerShell prompt with: get-help Get-suDoubleBookedMeetings Let's say that we have the followin...

Wednesday, January 16, 2008

Rate Limiting Steps in an Exchange 2007 migration

We've started to get the question "What's the choke point in a calendar migration into Exchange 2007?"

Keeping in mind that in 2007 we use EWS, you've got to think of the migration as running via HTML. So network efficiency and I/O are the crucial factors.

Russ produced this list of limiting factors (in priority order)

  • Speed of the SAN (Mostly it's I/O bound)

  • Speed of the NETWORK (Next, it's related to how fast HTTPS requests are
    sent/received)

  • Speed of the SERVERS (CAS, then MBX) (Third, how fast the Web Services Requests are PROCESSED)

  • Speed of the 32-bit (Fourth, how fast those requests are GENERATED)

In Exchange 2000/2003, where we used CDO, the horsepower of the individual back end Exchange server played a more crucial role.

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