buy CALS

CAL ( Client Access License Guide )

A Client Access License (CAL) is a license granting access to certain Microsoft server software. CALs are used in conjunction with Microsoft Server software licenses to allow Users and Devices to access and utilise the services of that server software.

Microsoft give you a guide here

http://download.microsoft.com/download/6/8/9/68964284-864d-4a6d-aed9-f2c1f8f23e14/CAL_Suite_Bridges_Overview.pdf

I have created a cheat sheet : 

Products Which Require CALs:

  • Windows Server
  • Windows MultiPoint Server
  • Exchange Server
  • Windows Small Business Server
  • SharePoint Server Remote Desktop Services (RDS)
  • Skype for Business Server
  • Microsoft Identity Manager (MIM)
  • SQL Server (except in per core model)
  • Visual Studio Team Foundation Server (TFS)
  • System Center Dynamics AX
  • Project Server Dynamics CRM

Core CAL Suite (User & Device Options):

  • Windows Server
  • Exchange Standard CAL
  • SharePoint Standard CAL
  • Skype for Business Standard CAL
  • System Center Endpoint Protection CML
  • System Center Configuration Manager CML

CAL Equivalents of your On-Prem Rights from your Online Subscription Licenses (Most Popular Plans – see Product Terms for more details):

  • Exchange Std CAL – E1/E3/E4/E5/SPE E3 & E5
  • ADRMS - EM+S E3 & E5/SPE E3 & E5
  • SCCM - EM+S E3 & E5/SPE E3 & E5
  • Exchange Ent CAL – E3/E4/E5/SPE E3 & E5
  • MIM - EM+S E3 & E5/SPE E3 & E5
  • SharePoint Std CAL – E1/E3/E4/E5/SPE E3 & E5
  • SfB Std CAL - E1/E3/E4/E5/SPE E3 & E5
  • EM+S E3 & E5/SPE E3 & E5
  • SharePoint Ent CAL – E3/E4/E5/SPE E3 & E5
  • SfB Ent CAL - E3/E4/E5/SPE E3 & E5
  • Windows Server CAL – EM+S E3 & E5/SPE E3 & E5
  • SfB Plus CAL - E4/E5/SPE E5

Additive CALs:

  • Often referred to as Enterprise CALs,
  • although not exclusively, these CALs
  • require a Base CAL and provide
  • additional functionality to the users or
  • devices assigned them.

Enterprise CAL Suite (User & Device Options – Includes Everything in Core CAL Suite:

  • Exchange Enterprise CAL w/Services – includes DLP & Exchange Online Protection
  • Exchange Online w/Archiving for Exchange Server
  • SharePoint Enterprise CAL
  • Skype for Business Enterprise CAL
  • Windows Server AD Rights Management Services (ADRMS) CAL
  • Advanced Threat Analytics