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Limits
The values in this article indicate the limits of a single Citrix DaaS (formerly Citrix Virtual Apps and Desktops service) instance. Citrix has extensively tested these limits and recommends for the best end user and admin experience. These limits are soft limits and not technically enforced (except for the number of Active Directory domains and the total number of VDAs per resource location). When the number of concurrent users exceeds 125,000, Citrix can scale and combine multiple Citrix DaaS instances, to deliver a unified experience at any scale.
The information in this article is dynamic. Check back frequently for updates. If you have current requirements that the published limits do not address, contact your Citrix representative for assistance as early as possible.
Configuration limits
If policies exceed the limit, Citrix recommends using the Workspace Environment Management service or Active Directory Group Policy Objects (GPOs).
| Resource | Limit |
|---|---|
| Active Directory domains (hard limit) | 100 |
| Application folders | 1,000 |
| Application Groups | 250 |
| Applications | 5,000 |
| Catalogs | 2,000 |
| Delivery Groups | 2,000 |
| Host connections | 200 |
| Resource locations | 100 |
| Policies (Studio) | 200 |
| Tags | 10,000 |
| VDAs | 100,000 |
Resource location limits
The following table lists the limits for each resource location.
If your requirements exceed these limits, Citrix recommends using additional resource locations.
| Resource | Limit |
|---|---|
| Total VDAs (hard limit) | 10,000 |
| Total sessions | 25,000 |
| Active Directory domains | 1 |
| Host connections | 40 |
Citrix Cloud Connectors are assigned to resource locations and link workloads to Citrix DaaS. For information about Cloud Connector limits, see Size and scale considerations for Cloud Connectors.
Provisioning limits
The provisioning limits in the following table are the Citrix recommended maximums for a single public provider subscription.
You are likely to reach quota limits from your public cloud vendor at lower levels. In such cases, contact the vendor to raise your subscription quota. For larger-scale deployments, Citrix recommends a hub-and-spoke model, where VDAs are distributed across multiple subscriptions and host connections.
For more information, see the following reference architectures:
| Resource | Limit |
|---|---|
| VDAs per AWS account per region | 3,000 |
| VDAs per Google Cloud Platform project | 3,000 |
| VDA per Microsoft Azure subscription per region | 5,000 |
Note:
The limits are Citrix recommended.
Usage limits
For information about administrator roles and the differences between them, see:
| Resource | Limit |
|---|---|
| Concurrent Monitor (Director) full administrators | 40 |
| Concurrent Monitor (Director) help desk administrators | 200 |
| Concurrent Monitor (Director) session administrators | 50 |
| Concurrent Manage (Studio) cloud administrators | 100 |
| Concurrent Manage (Studio) help desk administrators | 60 |
| Concurrent end users | 125,000 |
| Resources published to a single user | 250 |
| Session launches per minute | 3,000 |
- Monitor (Director) supports the aggregation of up to four Citrix DaaS tenants (spokes) under a single tenant (hub).
- A help desk administrator on the hub instance can monitor and troubleshoot users, machines, endpoints, and transactions from all aggregated instances (hub and spokes) as per the Delegated Administration configuration on the specific instance.
- The number of concurrent administrators per Citrix DaaS instance is as per the Usage Limits table.
Limits change log
The following table tracks the configuration limit modification:
| Date | Resource | Description |
|---|---|---|
| 23 May 2024 | VDAs per AWS account per region | The limit increased from 1500 to 3000. |
| 22 Nov 2023 | Active Directory domains | Limit increased from 85 to 100. |
| Catalogs | The limit increased from 1000 to 2000. | |
| Delivery Groups | The limit increased from 1000 to 2000. | |
| Resource locations | The limit increased from 85 to 100. | |
| Resource location -> Total sessions | Limit increased from 20,000 to 25,000. | |
| 04 Oct 2023 | Tags | The limit increased from 500 to 10,000. |
| 07 Dec 2023 | Provisioning limits -> VDA per Microsoft Azure subscription per region | The limit increased from 2,500 to 5,000. |
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