It’s been almost 3 months since the last update, but today the Exchange Team released version 19.9 of the Exchange 2010 Mailbox Role Calculator.

Enhancements since version 18.9:

• Revised name of Offline Address Book in MailboxDatabases.csv file
• Integrated revised CreateMBDatabases.ps1 script that better handles database creation with large numbers of databases
• Integrated revised CreateMBDatabaseCopies.ps1 script that performs faster
• Added validation check to ensure message profile has a mailbox size limit
• Added 4TB disks as a disk selection option
• Included prompt for 2nd site GC for on DB Export Primary DB List dialog
• Included prompt for 1st and 2nd site GC on Export Copy DB List dialog
• Revised default for GC on Export Primary DB List dialog to use FQDN
• Revised default for Public Folder DB on Export Primary DB List dialog to clarify it is a DB name
• Added problem explanation text to Distribution tab status line to show why the Calculator considers a configuration invalid
• Updated CreateMBDatabaseCopies.ps1 to use GC1 and GC2 from export file
• Added status information to Diskpart.ps1 to show the state of disks before and after script execution

Bug Fixes since version 18.9:

• Fixed issue with “Number of Active Databases / PDC (After Second PDC Server Failure)” formula to ensure that the PDC cannot have more active databases than possible
• Removed rounding on calculating number of active databases / server
• Fixed “DB and Log LUN Design / Server” to accurately calculate /DAG totals when 2 LUNs / Backup Set architecture is chosen
• Fixed conditional formatting issue with Number of Mailbox Servers when the design utilizes standalone Mailbox servers
• Fixed bug preventing running multiple StorageCalc instances from running concurrently
• Fixed bug when saving a workbook under a new name after making changes to the original workbook
• Fixed “Number of Mailbox Cores Required to Support Activated Databases in Secondary Datacenter” to accurately take into account the correct number of remaining servers
• Fixed diskpart.ps1 script to ensure it can be re-executed
• Fixed diskpart.ps1 script to cater for embedded spaces in mountpoints
• Fixed CreateMBDatabaseCopies.ps1 to read input for Primary site and Secondary site DC’s
• Fixed Export Primary Databases List to use PF Database instead of PF Server

You can download the calculator here. For more information please consult the changeblog or usage instructions.