Exchange 2016 Licensing

Hello Experts,

We have just installed exchange 2016 enterprise licensed version with 500 mailboxes. Do I need separate Enterprise CAL license ?
Please advise

Thanks
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cciedreamerAsked:
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Steve McCarthy, MCSE, MCSA, MCP x8, Network+, i-Net+, A+, CIWA, CCNA, FDLE FCIC, HIPAA Security OfficerIT Consultant, Network Engineer, Windows Network Administrator, VMware AdministratorCommented:
You need a CAL for each user.  So, if you have 500 mailboxes, you need 500 CALS.
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cciedreamerAuthor Commented:
Do I need Windows Server CAL or Exchange Enterprise CAL ?

Enterprise CALs do not need to be requested for users or devices that do not need to access additional features like integrated archiving, in-place hold, data loss prevention, and unified messaging

Windows Server CALs Required

Additionally, a Windows Server CAL is required for each Exchange Server user or device CAL in all scenarios.
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David AtkinTechnical DirectorCommented:
This explains it quite well:
https://products.office.com/en-gb/exchange/microsoft-exchange-server-licensing-licensing-overview

You need an Exchange Standard CAL for every user that accesses a mailbox.  If the user needs advanced features like In-Place Archive and In-Place Hold then you need an Enterprise licence for that user.

All of your users should have a Windows Server CAL in addition to the Exchange CALs.
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cciedreamerAuthor Commented:
Is there a way to check how many license are installed ?
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David AtkinTechnical DirectorCommented:
The licences in Exchange 2016 and the latest version of server aren't installed like they where previously.  You basically buy 'paper' CALs.  It's up to you to store them in a safe place in case Microsoft comes knocking for a Software audit.
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Steve McCarthy, MCSE, MCSA, MCP x8, Network+, i-Net+, A+, CIWA, CCNA, FDLE FCIC, HIPAA Security OfficerIT Consultant, Network Engineer, Windows Network Administrator, VMware AdministratorCommented:
As a followup to my earlier comment.  You need a Windows Server License for each server or, if using virtualization your virtual machines must fit within the restrictions of the Server version you purchased.

You need an Exchange Server license for the server.

You need Windows CALS to access your servers.  So the math is simple.  If you have 500 users on your Windows network, you should have 500 Windows User CALS.  

If you also have an Exchange server on that network with 500 mailboxes, you ALSO need 500 Exchange CALS.

For exchange, you should have added them to the licensing server or you will have to dig up emails or your Microsoft account to see what was purchased.
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cciedreamerAuthor Commented:
Thank you experts

Can I retreive any CAL information from my VLSC portal ?
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David AtkinTechnical DirectorCommented:
It depends on how you've purchased them.  If it was via VLSC then yes, there should be a record of how many you have purchased from there.
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cciedreamerAuthor Commented:
We have purchased through a reseller, but we have access to VLSC
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cciedreamerAuthor Commented:
Thanks experts
As I understood CALs license do not need to installed but be available in hand for any random audit
I will contact our microsoft partner to get proper licensing.
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