XenServer

XenServer 9 XenServer 8.4

XenServer 9
What's new
- Early Access channel updates
- Normal channel updates
- Fixed issues
- Known issues
- Deprecations and removals
Quick start
Reference architecture
System requirements
- Configuration limits
- Hardware drivers
- Guest operating system support
- Connectivity requirements
Technical overview
- Technical FAQ
Licensing overview
- Licensing FAQ
Install
- Other installation scenarios
Upgrade from XenServer 8.4
Update your XenServer® hosts
- Apply updates by using XenCenter®
- Apply updates by using the xe CLI
XenCenter
Citrix® products with XenServer
- Upgrade scenarios for Citrix Virtual Apps and Desktops™
- IntelliCache™
- PVS-Accelerator
Resource pools
- Manage your pools
- Manage your hosts
- Certificate verification
- GFS2 clustered pools
  - Troubleshoot GFS2 clustered pools
Users
- Role-based access control
- RBAC roles and permissions
- Using RBAC with the CLI
Security
- Secure Boot for XenServer 9
Networking
- Manage
- Dom0 network interface naming
- Troubleshoot
Storage
- Create an SR
- Manage your storage
- Multipathing
- Read caching
Graphics
- Prepare host for graphics
- Create vGPU-enabled VMs
Memory usage
Monitor and manage
- Monitor CPU usage
- NUMA optimization
- Alerts
- Monitor XenServer with NRPE
- Monitor XenServer with SNMP
VMs
- Windows VMs
  - XenServer VM Tools for Windows
- Linux VMs
- Migrate VMs
- Import and export VMs
- VM placement
- Delete VMs
- vApps
- Manage UEFI Secure Boot certificate remediation
- VM memory
- Advanced notes for Virtual Machines
- Troubleshoot
High availability
- Configure HA
Disaster recovery and backup
- Enable disaster recovery
- vApps
- Back up and restore hosts and VMs
- VM snapshots
- Coping with machine failures
- Third-party backup solutions
Workload Balancing
- What's new
- Get started
- Basic tasks
- Configure
- Administer
- Certificates
- Troubleshoot
Conversion Manager
- What's new
- Get started
- Troubleshoot
Command line interface
Infrastructure automation
- Automating XenServer with Terraform
Troubleshoot
- Advanced troubleshooting
Support
Third-party notices
- XenServer Open Source Licensing and Attribution
Developer documentation
Data governance
Document History

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XenServer 9

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Switch to english Auf Englisch anzeigen Lire en anglais Leer en inglés 英語に切り替え 영어로 전환 Mudar para ingles 切换到英文 Passa all'inglese

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Fixed issues

August 28, 2026

Contributed by:

The following issues have been fixed in XenServer 9. In addition to these fixed issues, additional fixes are released on the Normal and Early Access update channels.

Storage

[Fixed in Early Access on 28 August 2026. Fixed in Normal on 1 September 2026] On NFS or SMB SRs, Changed Block Tracking (CBT) functionality may fail for VMs running on supporter hosts, potentially resulting in VDI_NO_CBT_METADATA errors reported by backup clients, requiring full backups to be performed. (CA-431091)

XenCenter

For information about known and fixed issues in XenCenter, see XenCenter What’s New.

The official version of this product documentation is in English. Any non-English version is solely provided for your convenience and may include machine-translated content. For more information, please refer to the Machine Translation Disclaimer on Cloud Software Group home.

DIESER DIENST KANN ÜBERSETZUNGEN ENTHALTEN, DIE VON GOOGLE BEREITGESTELLT WERDEN. GOOGLE LEHNT JEDE AUSDRÜCKLICHE ODER STILLSCHWEIGENDE GEWÄHRLEISTUNG IN BEZUG AUF DIE ÜBERSETZUNGEN AB, EINSCHLIESSLICH JEGLICHER GEWÄHRLEISTUNG DER GENAUIGKEIT, ZUVERLÄSSIGKEIT UND JEGLICHER STILLSCHWEIGENDEN GEWÄHRLEISTUNG DER MARKTGÄNGIGKEIT, DER EIGNUNG FÜR EINEN BESTIMMTEN ZWECK UND DER NICHTVERLETZUNG VON RECHTEN DRITTER.

CE SERVICE PEUT CONTENIR DES TRADUCTIONS FOURNIES PAR GOOGLE. GOOGLE EXCLUT TOUTE GARANTIE RELATIVE AUX TRADUCTIONS, EXPRESSE OU IMPLICITE, Y COMPRIS TOUTE GARANTIE D'EXACTITUDE, DE FIABILITÉ ET TOUTE GARANTIE IMPLICITE DE QUALITÉ MARCHANDE, D'ADÉQUATION À UN USAGE PARTICULIER ET D'ABSENCE DE CONTREFAÇON.

ESTE SERVICIO PUEDE CONTENER TRADUCCIONES CON TECNOLOGÍA DE GOOGLE. GOOGLE RENUNCIA A TODAS LAS GARANTÍAS RELACIONADAS CON LAS TRADUCCIONES, TANTO IMPLÍCITAS COMO EXPLÍCITAS, INCLUIDAS LAS GARANTÍAS DE EXACTITUD, FIABILIDAD Y OTRAS GARANTÍAS IMPLÍCITAS DE COMERCIABILIDAD, IDONEIDAD PARA UN FIN EN PARTICULAR Y AUSENCIA DE INFRACCIÓN DE DERECHOS.

本服务可能包含由 Google 提供技术支持的翻译。Google 对这些翻译内容不做任何明示或暗示的保证，包括对准确性、可靠性的任何保证以及对适销性、特定用途的适用性和非侵权性的任何暗示保证。

このサービスには、Google が提供する翻訳が含まれている可能性があります。Google は翻訳について、明示的か黙示的かを問わず、精度と信頼性に関するあらゆる保証、および商品性、特定目的への適合性、第三者の権利を侵害しないことに関するあらゆる黙示的保証を含め、一切保証しません。

ESTE SERVIÇO PODE CONTER TRADUÇÕES FORNECIDAS PELO GOOGLE. O GOOGLE SE EXIME DE TODAS AS GARANTIAS RELACIONADAS COM AS TRADUÇÕES, EXPRESSAS OU IMPLÍCITAS, INCLUINDO QUALQUER GARANTIA DE PRECISÃO, CONFIABILIDADE E QUALQUER GARANTIA IMPLÍCITA DE COMERCIALIZAÇÃO, ADEQUAÇÃO A UM PROPÓSITO ESPECÍFICO E NÃO INFRAÇÃO.

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Instructions for Contributors

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Fixed issues

August 28, 2026

Contributed by:

August 28, 2026

Contributed by:

Storage
XenCenter

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Instructions for Contributors

XenServer Preview Documentation

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The development, release and timing of any features or functionality described in the Preview documentation remains at our sole discretion and are subject to change without notice or consultation.

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Fixed issues

Storage

XenCenter

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