To get the user-accounts of EXCHANGE that require a STANDARD EXCHANGE CAL's on a SERVER 2012:

  • -click EXCHANGE MANAGEMENT SHELL (EMS)
  • -type: Get-ExchangeServerAccessLicenseUser –LicenseName “Exchange Server 2013 Standard CAL”

If you combine this with the wonderful GNUWIN32 (see below) then you can type the following to get the exact number you need:

  • -type: Get-ExchangeServerAccessLicenseUser –LicenseName “Exchange Server 2013 Standard CAL” | grep CAL -c

Voila!