Security Bulletins for XenServer

This article lists historic security bulletins published for XenServer 8.4. We recommend subscribing to security bulletin email alerts for timely notification of new bulletins. The bulletins advise about any software updates that have been published to address the issues. We highly recommend that...

CVAD wizard fails with device name # is invalid when PVS-Accelerator is enabled

We are using XenServer 8.0 and PVS Accelerator the CVAD wizard will fail to create new devices. When an AOT trace is captured and analyzed you will see the following errors in the logs: PVSDllHypervisorPlatformsAO,,0,,5,Information,"XenAPI failure, error description:...

Multipath tools

In enterprise environments where uptime and performance are critical, ensuring continuous and efficient access to storage is paramount. Multipathing is a technique used to provide multiple physical paths between the host and the storage devices. XenServer manages these multiple I/O paths, enablin...

How to collect XenServer Conversion Manager logs

Collect XenServer Conversion Manager logs for analysis...

XenServer and Citrix Hypervisor Security Update for CVE-2024-31143 and CVE-2024-31144

Description of Problem Two issues have been identified, the first of which affects both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR and the second of which affects Citrix Hypervisor 8.2 CU1 LTSR only. The first issue, which affects both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR, may allow...

Backup and restore capabilities in XenServer xsconsole

XenServer hosts store metadata about VMs and associated resources such as storage and networking. This metadata forms a complete view of all VMs available across the pool. You can backup this database to recover from physical hardware failure and other disaster scenarios. The legacy backup and...

Xenserver Networking: Comprehensive Guide

Introduction This article aims to assist you in addressing network-related issues or configurations on XenServer Overview of the Article This article will direct you to additional articles covering networking on XenServer, focusing on configuration and troubleshooting. Appendix: Top Knowledge...

Xenserver Configuration: Comprehensive Guide

Introduction This article will direct you to resources that provide guidance on configuring basic pools for XenServer Top Knowledge Content Basic Configuration guide for a XenServer Pool CTX128391 - How to Remove a Server from a XenServer Pool that Contains Only One Host CTX216127 - How to change...

Xenserver Troubleshooting : Comprehensive Guide

Introduction Instances where XenServer encounters various errors preventing its connection to XenCenter Overview of the Issue In different situations, XenServer experiences connectivity issues with XenCenter, possibly due to various factors. This article will outline different scenarios and...

Xenserver Storage: Comprehensive Guide

Introduction This article will assist you in resolving issues with unavailable VDI Virtual Disk Image. Overview of the Issue In different situations, XenServer experiences issues with starting VM’s , taking a snapshot or scan of SR’s and failing with error “VDI is not available ”. This article wi...

XenServer VM Tools

Introduction Instances where XenServer encounters various errors while installing XenServer VM tools Overview of the Issue In different situations, XenServer has some issues when installing VM tools, possibly due to various factors. This article will outline different scenarios and potential...

Xenserver Upgrade: Comprehensive Guide

Introduction This article aims to assist you in XenServer upgrade process and troubleshooting Overview of the Article This article will assist you in finding resources that discuss upgrading procedures and troubleshooting techniques Appendix: Top Knowledge Content Troubleshooting Common Problems...

How to Modify Network Speed and Duplexing

This article describes how to change speed, duplex, and auto-negotiation on a network interface in XenServer. Requirements Console access required, if reconfiguring the management interface...

Linux Virtual Machines are Unable to Boot from DVD on XenServer

On XenServer, a user can run both Linux and Windows virtual machines, and like physical machines, it can be set to boot from various sources. However, when a Linux virtual machine is set to boot from DVD, it can fail with the following error message:...

Unable to Connect to High Availability Enabled XenSever Pool and All Servers in Pool are in Emergency Mode

This article provides resolution to connectivity issues to the pool in XenCenter. Following are some of the issues that you might experience: Cannot connect to the pool in XenCenter Cannot start or migrate the virtual machines, although the virtual machines are active and running. All the servers...

How to Reset the XenServer Host Password on a CloudBridge 2000/3000/4000/5000

This article describes how to reset the XenServer Host password on a CloudBridge 2000/3000/4000/5000. The procedure can be completed when credentials are not working to access the SVM, XS, and Serial Console...

How to Validate If XenServer is Using Bridge or vSwitch for the Network Stack

This article describes how to validate if XenServer is using Bridge or vSwitch for the network stack. By default, XenServer 6.x uses vSwitch as the network stack when the host is installed. At some point, the XenServer administrator might have changed the network stack to Bridge. When attempting ...

How to Configure XenServer to Send System Alerts through Authenticated SMTP Servers

This article describes how to configure XenServer to send system alerts through SMTP servers that require authentication. Requirements Administrative access to a XenServer host console either directly, through SSH, or by using theConsoletab in XenCenter. Background Customers can configure XenServ...

How to Configure a Promiscuous Virtual Machine in XenServer

This article describes how to configure a Virtual Machine VM running on XenServer to behave promiscuously on the network, that is, allow it to see all network traffic on the Physical Network Interface PIF. Certain applications, such as network diagnostic or performance monitoring tools, might...

How to Configure Windows 2003 Network File Share as Authenticated Storage Repository for XenServer

This document describes how to configure Windows Server 2003 Release 2 Server Network File Share NFS as an authenticated storage repository for XenServer. The NFS component is only included in Windows Server 2003 Release 2. If you do not have this edition, you can achieve the same results by...