Error: The Pool Failed to Enable External Authentication in XenServer

When attempting to enable external pool authentication in a XenServer 5.6 Feature Pack 1 pool, the operation fails with one or more of the following errors: “Error: The pool failed to enable external authentication.” “Error: Enabling Active Directory Authentication on pool '' - Could not enable...

How to Evaluate the Read Speeds on the Block Type Storage Repositories for XenServer

This article describes how to evaluate theread speedsof the Storage Repository SR of block device, including LVM, LVM over HBA, iSCSI, NetApp and Dell EqualLogic. Requirements Ensure that the SR is configured properly and for NetApp or Dell EqualLogic type, at least one virtual disk is created...

How to Configure Multipath Boot from SAN during XenServer Upgrade or Patch

This article describes how to configure multipath boot from Storage Area Network SAN when upgrading or patching XenServer. The upgrade or patching of XenServer can leave the initial ram disk initrd without multipath support...

How to Export a Virtual Machine to an External USB Drive

This article describes how to export a XenServer Virtual Machine VM to a USB storage device...

How to Reattach a Forgotten Integrated StorageLink (iSL) Storage Repository

This article describes how to reattach a forgotten Intergrated StorageLink iSL Storage Repository SR. Requirements CLI access to XenServer master host XenCenter Access...

XenServer - Overview of Disaster Recovery Options

This article provides an overview of different backup/restore methods available in XenServer for Virtual Machine Metadata. Background Backup/Restore or Site Recover/Disaster Recovery options in XenServer have evolved over recent product versions. This document briefly explains those options...

PVS Console Crashes while using XenDesktop Setup Wizard

After entering the Credentials to get the list of templates from the Hypervisor, the following error appears: "Microsoft Management Console has stopped working" Note : The issue does not occur with XenServer as Host Connections to XenServer do not allow the port number in the address...

LACP Bonding in XenServer - Configuration and Troubleshooting

In XenServer 6.1, LACP link aggregation was added to existing bonding modes for vSwitch. This article describes dynamic link aggregation LACP between a XenServer host and a switch, giving a high-level overview of the 802.3ad protocol, explaining configuration and diagnosis tools. Background LACP...

How to Remove a XenServer Slave when it No Longer Exists in the Pool

XenCenter shows the red icon of the XenServer Slave that no longer exists in the pool.You want to eliminate that XenServer Slave but you receive the following error message when you issue the command from XenServer Master xe host-forget of that Slave. "This host cannot be forgotten because there...

XenServer in High Availability Enabled Pool is Unresponsive and Does not Self-Fence

A XenServer in a High Availability enabled pool is unresponsive. The Virtual Machines on that host might not work, or are unable to stop, or unable to migrate any Virtual Machines...

How to Disarm Fencing When Using High Availability in XenServer

This article describes how to disarm High Availability HA and prevent XenServer host from fencing. Disarming HA does not stop HA logging...

Cloud Software Group Security Advisory for CVE-2024-6387

Advisory for 3rd party CVE-2024-6387 Cloud Software Group is aware of the vulnerability CVE-2024-6387 impacting OpenSSH. Qualys has discovered a remote unauthenticated code execution vulnerability in OpenSSH’s server sshd in glibc-based Linux systems. Because this vulnerability is a regression of...

Static IP loss when updating to VM Tools for Windows 9.3.3 or earlier

Sometimes, when the drivers for XenServer VM Tools for Windows are updated through Windows Update, the static IP settings are lost and the network settings change to use DHCP. Important: This issue persists when updating from versions earlier than 9.3.3. This issue is fixed for updates from 9.3.3...

End of Sale and Renewal for XenServer Standard and Premium Editions

Cloud Software Group has decided to end of sale EOS, and end of renewal EOR XenServer Standard and Premium Edition stand-alone offerings on June 3rd, 2024. This change is designed to simplify our product line and deliver superior value and user experience to our customers. From June 3rd onwards,...

The vulnerability of Citrix Hypervisor and XenServer platform-related server virtualization solutions lies in improper speed limits at the final point, which allows attackers to trigger service failures.

The vulnerability of Citrix Hypervisor and XenServer platform-related servers is related to improper speed limits at the final point. Exploiting this vulnerability can allow an attacker to cause service failures...

CVE-2024-5661

An issue has been identified in both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR which may allow a malicious administrator of a guest VM to cause the host to become slow and/or unresponsive...

CVE-2024-5661

An issue has been identified in both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR which may allow a malicious administrator of a guest VM to cause the host to become slow and/or unresponsive...

CVE-2024-5661 Potential Denial of Service affecting XenServer and Citrix Hypervisor

An issue has been identified in both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR which may allow a malicious administrator of a guest VM to cause the host to become slow and/or unresponsive...

CVE-2024-5661

CVE-2024-5661 affects XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR. The root cause is an improper rate limiting issue in an endpoint, which a malicious administrator of a guest VM can exploit to cause the host to become slow and/or unresponsive (Denial of Service). Impact is a local, privilege-...

CVE-2024-5661 Potential Denial of Service affecting XenServer and Citrix Hypervisor

An issue has been identified in both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR which may allow a malicious administrator of a guest VM to cause the host to become slow and/or unresponsive...