The short answer to what is perpetual license: a perpetual license is a one time purchase that grants the right to use a software version indefinitely, with no expiry date, usually paired with an optional annual maintenance fee for support and upgrades. In Citrix licensing it was the traditional model for many years. Citrix eliminated perpetual licensing in October 2022 and is now subscription only, so any perpetual entitlements still in use are legacy holdings rather than something a buyer can purchase today. Understanding the term matters precisely because the option to buy it is gone and what remains needs careful handling.
What the term means
A perpetual license grants ownership of the right to run a specific software version for as long as you choose, without recurring license fees. You pay once for the entitlement, and it does not expire. Most perpetual models added a separate annual maintenance or support fee that funded patches, version upgrades, and vendor support, which the customer could choose to keep paying or let lapse while continuing to run the version they already owned. The defining feature is that the use right survives whether or not you keep paying anything further, which is the opposite of a subscription that ends the moment payment stops.
A perpetual license is owned outright. A subscription is rented, and the use right ends the moment payment stops.
Why Citrix ended the perpetual license
Citrix eliminated perpetual licensing in October 2022 and moved to a subscription only model. The shift removed the one time purchase option entirely, so every new Citrix entitlement since is a recurring subscription. The commercial logic from the vendor's side is straightforward: subscriptions convert a large up front payment into a perpetual revenue stream and give the vendor a recurring point of leverage at every renewal. For buyers the change removed the ability to own a license outright and stop the meter, which is one of the structural reasons renewals under Cloud Software Group have become so contentious, with increases widely reported between 50% and 200% as of 2026.
What it means for buyers today
Perpetual licenses you already own remain valid for the versions they cover, but ownership is not the same as being able to run them indefinitely without consequence. Support and maintenance, security patching, and compatibility with current platforms all erode over time once a version stops being maintained. The end of file based licensing on April 15, 2026 and the mandatory move to the cloud connected License Activation Service further affect how legacy deployments operate. A perpetual holding is therefore an asset to be managed and a position to be negotiated from, not a reason to assume nothing will change. Buyers who treat legacy perpetual entitlements as a permanent given are often the ones a vendor finds easiest to pressure onto subscription terms at a moment of the vendor's choosing rather than their own.
Related terms and guidance
Perpetual license is best understood against the subscription license that replaced it, and alongside the License Activation Service that governs how legacy and current entitlements activate. For how the subscription transition affects cost and strategy, see our guide to Citrix licensing myths that cost enterprises money and the full Citrix licensing fundamentals pillar. Return to the full Citrix licensing glossary for more definitions.
Frequently asked questions
What is a perpetual license in Citrix licensing?
A perpetual license is a one time purchase that grants the right to use a software version indefinitely, with no expiry, usually paired with an optional annual maintenance fee for support and upgrades. In Citrix licensing it was the traditional model for many years. Citrix eliminated perpetual licensing in October 2022 and is now subscription only, so perpetual entitlements still in use are legacy holdings rather than something a buyer can purchase today.
Can I still buy a Citrix perpetual license?
No. As of October 2022 Citrix stopped selling perpetual licenses and moved to a subscription only model. New Citrix purchases are subscriptions. Buyers who still hold perpetual entitlements own them, but cannot add to them on the same terms, which is one of the pressures pushing customers toward subscription packaging on the vendor's timetable rather than their own.
What happens to my existing Citrix perpetual licenses?
Perpetual licenses you already own remain valid for the versions they cover, but support and maintenance, product updates, and compatibility with current platforms become the constraint over time. The end of file based licensing on April 15, 2026 and the move to the cloud connected License Activation Service also affect how legacy deployments operate. Holding perpetual licenses is not the same as being able to run them indefinitely without consequence, so the position needs reviewing rather than assuming.
Is a subscription license cheaper than a perpetual license was?
Usually not over a long horizon. A perpetual license was a larger one time cost with a smaller recurring maintenance fee, while a subscription is a recurring payment with no end. Over several years subscription totals frequently exceed what the perpetual plus maintenance model cost, which is part of why the transition has been contentious. As of 2026, with Cloud Software Group renewal increases widely reported between 50% and 200%, modeling the long run cost rather than the first year is essential.