Exchange 2010 Mailbox Role Calculator 12.8

The Microsoft Exchange Team released an important update of the Exchange Mailbox Role Calculator, bringing it to version 12.8.

This version includes the following fixes since 12.3:

  • Fixed total number of databases/server calculation to deal with Active/Active (Single DAG) scenario correctly with respect to dedicated DR servers
  • Fixed storage design disk calculations formulas for Active/Active (Single DAG) scenario, i.e., don’t recommend JBOD in scenario where only single copy is deployed (e.g., lagged copy deployed in secondary datacenter without dedicated hardware)
  • Fixed Number of Active Mailbox Servers in DC2 calculation to not double count lagged copies when deploying Active/Active (Single DAG) scenario and deploying lagged copy in both Primary and Secondary Datacenters
  • Fixed # of Target Lagged Copy Log Stream calculations to not double count lagged copies when deploying Active/Active (Single DAG) scenario and deploying lagged copy in both Primary and Secondary Datacenters
  • Fixed second DAG Member Layout Table to show number of servers for both Active/Active scenarios

Consult the changeblog here.You can download the calculator here. Usage instructions can be found here.

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