Enterprise messaging platform
Microsoft Exchange Server 2019 Enterprise – 64-bit
Deploy Exchange Server 2019 Enterprise for larger on-premises mailbox environments, with selectable User CAL quantities and clear legacy-lifecycle guidance.
- Enterprise edition
- Up to 100 mounted databases
- 10–1000 User CAL options
- 64-bit platform
Microsoft support ended on 14 October 2025. Use only for a justified legacy deployment, confirm ESU eligibility where applicable, and plan migration to Exchange Server Subscription Edition or Microsoft 365.
Understand the offer
What this licence is designed to cover
Use the scope below to confirm that the licensing model matches the people, devices and infrastructure in your environment.
Enterprise scale
Enterprise Edition supports up to 100 mounted databases per server, compared with five for Standard Edition.
Selected User CALs
Choose 10, 20, 50, 100, 300, 500 or 1000 User CALs. One entitlement covers the selected configuration.
On-premises control
Built for organisations that need Exchange services within their own Windows Server and Active Directory environment.
Check before checkout
Requirements and exclusions
Server products and CALs solve different parts of a licensing requirement. Confirm the complete deployment, not only the item on this page.
You will also need
- A compatible Windows Server and Active Directory design.
- Correct Exchange CAL coverage for every accessing user or device.
- A current cumulative update and a documented migration or ESU plan.
Not included by this page
- Does not include Windows Server licensing or Windows Server CALs.
- Does not include Outlook desktop software.
- Exchange User CALs do not replace the Exchange server licence.
Digital delivery and assistance
From checkout to a working deployment
Every order uses the same clear fulfilment and support pathway.
Order confirmed
The selected product and quantity are checked before fulfilment.
Email delivery
One key or entitlement covering the selected quantity, applicable official Microsoft links and instructions are normally sent in 1–10 minutes.
Guided setup
Remote assistance, live chat, email and phone support are available for installation, licensing and activation.
Activation assurance
Support checks all available options, supplies a replacement first, and provides a full refund if the replacement cannot be activated.
Licence and region: supplied according to stock availability; valid worldwide and available in Microsoft-supported languages.
Assignment or activation: Reinstallation on the same licensed server is permitted. After activation, the licence cannot be transferred to another server and cannot be reactivated following an HDD or motherboard replacement.
Questions answered
Frequently asked questions
How many databases does Enterprise support?
Is Exchange Server 2019 supported?
What arrives by email?
What support is included?
What happens if activation fails?
Where can the licence be used?
Official Microsoft references: Microsoft Exchange editions · Exchange 2019 end-of-support roadmap
Licensing depends on the agreement and Product Terms governing the purchase. Contact Software Mart Australia before ordering for mixed versions, external users, hosting, failover or complex deployments.
Buy with the deployment in mind
Choose the User CAL quantity that matches the people who will access Exchange.
Review the purchase option
