I upgraded my OnPrem Netscaler Console and succesfully activated LAS.
Under "NetScaler instances in LAS" I see my SDX appliance, but none of the VPX installed on that SDX. Is that normal?
If I login to the SDX, under System -> Licenses it shows "License Server -> Mode: LAS" and the applied throughput/instance capacity is displayed correct.
But when logging in to a VPX (even a new one created after changing SDX license to LAS), the VPX shows "Licensing Mode: local"! Is that normal as well because the VPX receives it's license from the underlying SDX?

Thanks
Nils

If this issue is not addressed, the SDX appliance and all VPX instances hosted on it will be unexpectedly un-licensed.  

For more details on issue and mitigation to be applied, please refer to the following blog -

https://community.citrix.com/techzone-blogs/netscaler/important-las-advisory-action-required-for-sdx-customers-migrating-to-las-r1267/ 

Does anyone have experience with Citrix ADC 14.1 BYOL offline activation in Azure? We are on the latest patch and am getting a "No supported entitlements available" error in Citrix Cloud, despite having Citrix Universal Hybrid rights. My vendor says it’s supported, but the portal won’t accept the .tgz file. Support has been silent for 2 weeks. Any workaround or specific trick to getting the portal to recognize Universal entitlements?

I'm having a bit of trouble right now.

I uploaded the LAS offline activation request to the Citrix Cloud Portal and entered all the necessary information.

Then I downloaded the activation file that needs to be uploaded to the NetScaler.

However, this isn't working—as soon as I select the file and try to upload it, I get the message “Invalid object name”:

Does anyone know what’s causing this and how I can fix the problem?

Thanks and best regards :)

We have a deployment of two SDX boxes running three VPX instances (attached picture).

SDX boxes information (both have the same build):

Hypervisor info:

VPX boxes information:

Running on 13.1-60.29.

We were using a perpetual file license (uploaded a few years ago only to the SDX appliances by my predecessor, license name: Citrix ADC SDX 15030). We were running an older 13.1 version that does not support LAS on SDX and wanted to upgrade. Citrix Support advised us to apply the NetScaler SDX Fixed Term Software Premium 15120 license to both SDX appliances before upgrading.
We replaced the old license with this fixed‑term one, rebooted the management service, and both SDXs accepted the license without any issues. Then we upgraded both SDX appliances to 13.1‑61.26.

Now I’m confused because I’ve been told several different things by Support. My questions:

1. We have SDX running on XenServer. Do we need an LAS license for XenServer?
   According to this article: https://support.citrix.com/wolken-support/kbsearch/article?articleNumber=CTX695107 → YES.
   However, Support first asked me to show them our file licenses in the Citrix account — and apparently we don’t have any XenServer license (from their point of view), so they said no LAS is needed.
   After another call, they told me YES, LAS is needed, and that we also need to upgrade XenServer to version 8.x.

2. I would like to proceed with offline activation, as described in the ADC documentation. But do I need to license each VPX as well, or only the SDX?
   Currently the VPXs seem to be licensed through SDX, because we never applied any file license directly to VPXs.

3. We don’t want to use a License Server or NetScaler Console — offline activation is fine.
   But if XenServer requires LAS, does that mean we must deploy a License Server?
   I couldn’t find any offline option for XenServer licensing.

4. Is there anything else that needs to be done that I might be missing?

I thought that performing offline LAS activation for both SDXs would be all that is required.
Now I’m unsure.

Could someone please advise?

Thank you.

Currently, we are using a LAS‑supported Citrix ADC version NS 13.1‑61.26.nc on MPX appliances. The License Activation Service (LAS) has been successfully activated on the on‑premises ADC using the offline activation method, as we were previously using a file‑based license

Our Citrix support contract expired on 31 March 2026. However, we can see an upcoming renewal date of 16 April 2026 reflected on the NetScaler appliance. Due to internal processes, the license renewal activity is planned to be completed after approximately one month.

In this scenario, we would like to understand the following:

• Whether the Citrix ADC appliances will continue to function during this period without renewal.

• What operational or functional impact we may face if the licenses are not renewed within the stipulated timeline.

• Any risks related to configuration loss, traffic disruption, or service shutdown after April 16

• is any grace period applicable for my MPX ADC device in above situation.

Kindly provide your guidance on the expected behavior of the appliance and the associated risks.

Thanks & Regards,

Rajkumar M

Citrix WAF engineer.

The NetScaler license that had already been configured as LAS, after upgrading the firmware from version 14.1.56.71.nc to 14.1.66.59 lx for a VPX appliance on Nutanix,

Before the firmware upgrade, the license had already been configured as LAS, with Enterprise edition and License Mode set to LAS. However, after upgrading to NS version 14.1.66.59, the Enterprise license immediately changed to Platinum Express 20.

The original LAS Activated status disappeared. I tried configuring it again, but I could not generate the file to upload to Citrix Cloud. (At this point, I had to clear the old profile that had previously worked, otherwise it would not allow me to proceed with the file upload step.) However, after uploading the file, I still encountered an error and could not complete the process.

Therefore, I tried importing the old license, but the license still would not apply to the NS system. It remained as Platinum Express, just like before. As a result, I had no choice but to roll back to the previous version so that the license could work again.

I do not know why this problem occurred. Has anyone experienced a similar issue?

Right now, I still do not dare to upgrade the firmware to the latest version as Citrix has recommended.

Our existing environment uses the Azure Marketplace Premium (formerly Platinum) PAYG model. We have recently acquired Advanced Edition BYOL licenses, as the Advanced feature set fully covers our current production requirements.

We are building new VPX instances using the BYOL image in Azure. I would like to confirm the following:

1. Is it possible to apply these Advanced BYOL licenses to nodes that will eventually replace or synchronize with a cluster originally provisioned as Premium?

2. Are there any known caveats regarding HA synchronization or configuration stability when performing this switching from Premium to Advanced during the migration?

3. Does Citrix recommend a specific cutover procedure to ensure the new BYOL Advanced nodes correctly assume the configuration from the existing PAYG Premium nodes without license mismatch errors?

Prior to upgrading VPX / MPX / SDX to a recent build that supports LAS, make sure you have downloaded a recent license file from the MyCitrix portal and installed it on to the box before proceeding.

At one customer the upgrade from 13.1-59.x to 13.1-60.23 caused their license to drop to Express/Freemium as the license file wasn't recent enough. We got this fixed just by downloading the license file from MyCitrix and installing it to the system.

At another customer we were upgrading the SDX from 14.1-21.57 to 14.1-60.57 and the installation got totally stuck on this error:

Even if I rebooted the whole SDX platform, I ended up in this view as well as rebooting just the SVM.

I examined the "/var/mps/log/bundleupgrade.log" and saw that the "upgradebundle.pl" reads the file ”/var/mps/cb_sb_images/status.conf". We renamed this file and then rebooted the SVM, then we saw the upgrade being initialized in a loop, and then we checked the "bundleupgrade.log" again and saw that BUNDLE_VALIDATION_RESULT_FILE is present, then grepped the "upgradebundle.pl" for that string and found a reference to ”/var/mps/cb_sb_images/install/sdx_validations.result". Once we removed this one as well, we got a log in button to the upgrade URL and got back in to the system. Then we uploaded the newer lic file on to the box and got the installation running.

I would expect better from Citrix on this as the LAS change is enforced by them, not something the customers requested.

We are currently using fixed licenses as subscriptions on our Netscalers, which we purchased in 2025. We do not use Netscaler Console and would like to avoid doing so for the time being. In the documentation, I read that with fixed licenses, it is not necessary to use the Netscaler Console, but that “offline activation” can also be used directly on the Netscalers.

Can anyone confirm that this will still work after April 15, 2026?

I would be grateful for any information.

Thank you very much!

Tom

My planned approach is the following:

Disable HA synchronization.

Force the current roles:

Set the primary node to Stay Primary

Set the secondary node to Stay Secondary

Start with the secondary node:

Remove the existing license file

Perform the LAS offline activation

Trigger a failover to make the secondary node active.

Perform validation and traffic tests to confirm everything works correctly.

Fail back to restore the original primary node as active.

On the primary node:

Remove the existing license file

Perform the LAS offline activation

Once both nodes are successfully activated and validated:

Remove Stay Primary and Stay Secondary

Re-enable HA synchronization

Is this the correct and recommended procedure, or are there additional precautions or a better sequence to follow?

Hello,I am currently using the legacy license file–based system, and I am planning to migrate to the LAS offline activation method.

My question is:

Do I need to remove the existing license file before performing the LAS offline activation, or can the offline activation be applied directly without deleting the license file first?

I want to avoid any licensing conflict or unexpected behavior during the migration.

Is Citrix Licensing Manager mandatory for migrating to the License Activation Service (LAS), or can the migration be completed without it?

We are using a Netscaler ADC system with a perpetual local license. We received a communication about the need to change to a license model LAS by April otherwise the system will stop working.

Our system is only for internal and we don't need any upgrade of it, and as the definiteion of perpetual license I expect this license is valid forever. Can someone confirm if we don't do anything will it really stop working after April? Or it will continue to work as it is now? Thanks!

Does anyone know which flows should be opened between Netscaler console (onprem) and Netscaler with LAS activated ?

any other idea?

We are using a Netscaler ADC system with a perpetual local license. We received a communication about the need to change to a license model LAS by April otherwise the system will stop working.

Our system is only for internal and we don't need any upgrade of it, and as the definiteion of perpetual license I expect this license is valid forever. Can someone confirm if we don't do anything will it really stop working after April? Or it will continue to work as it is now? Thanks!

Required action

After April 15 2026, any Citrix product which is in scope of this transition and has not been migrated to LAS will be disrupted and will incur an outage. Action to migrate before this date is critical to ensure uninterrupted operation.

The list of products and services in scope for this transition include:

• NetScaler, including Console and all ADC form factors

• Citrix Virtual Apps and Desktops including optional components like Citrix Provisioning (PVS) and Workspace Environment Management (WEM)

• XenServer

• Unicon Scout

• XenMobile

• uberAgent

Three key steps of the process: Upgrade --> Register --> Activate.

Detailed, step-by-step guides for each product are available in the product documentation.

After the April 15, 2026 deadline, support will only be available for LAS compliant deployments. Act now to take advantage of the benefits this update will provide.

Unsure of your status? Review this page to verify your current LAS activation state.

Please reach out to your Citrix account representative or Support with any questions.

Additional resources:

• LAS Product Documentation

• FAQ: Now expanded with product specific FAQ

• NetScaler Perpetual License Migration Guide

Post upgrade we are having constant alerts on appliance shows licence expiring in 6 days.

and the days of expiration is not decrementing. this same alert is showing for over more than a week now that " Appliance Licence expiring in 6 dyas.

Can anyone please help on these. is it a bug on the latest version or anything??

Please the attachment for reference

After an update from 59.22 to 60.32 on the 1st MPX (5905), we see the CPU count decreasing from 3 to 2... 😵 (checked with "stat system cpu" and the CPU report in the Web GUI. And more interestingly, Citrix states that the 5900 series came with a single 8-core CPU.... hmmm

Anybody else seeing this behaviour?

BfN, Konrad

Late August a few CVE's were published for the netscalers.

Like everyone else we initiated an immediate upgrade.

Then just a few weeks later the new licensing function "LAS" was announced requiring a full upgrade of Console, SDX and VPX.

Now also we have the EOM of 13.1 in September next year, as well as a couple of vacation periods.

I was wondering if people are starting the 13.1 -> 14.1 upgrade now or are waiting till after the April LAS upgrade?

Are there any drawback to aiming for 14.1 at this point and thus avoiding 1 upgrade cycle in 2026?

Cheers

Peter