Error: "Unable to connect server" when connecting XenCenter to a Pool Master

Cannot connect to Pool Master by using XenCenter. XenCenter gives anerror message: Unable to connect to server '10.90.206.83'. Could not find XenServer on '10.90.206.83'. Check that XenServer is configured correctly on '10.90.206.83 and try again. However, Pool Master is accessible by SSH. The...

Increase RAM for XenServer VM's through Command Line Interface.

Increase RAM for XenServer VM's through Command Line Interface. If the RAM editing option is grayed out through XenCenter...

Unable to Delete Differential Disks from LVM and ext3 Storages with Error Displayed on XenCenter

Unable to delete differential disks from Logical Volume Manager LVM or ext3 storages. The error message is displayed on XenCenter as "Vdidelete: EXCEPTION SR.SROSError, Failed to mark VDI hidden opterr=error 22 or attempt to mark VDI as hidden failed."...

How to find the hotfix applied on XenServer ?

Get a list of hotfixapplied on XenServer and when it was applied on the Host both from XenCenter or from the command line...

How to connect to a console of a Linux VM from XenServer Host Console

Sometimes it might be necessary to connect to the console of VM via command line when SSH and XenCenter console is not working. This article describe the process for it...

GPU tab on XenCenter is not visible for Citrix Hypervisor 8.2 CU1 hosts

We are not able to see the GPU tab in XenCenter. However we are able to run commands like nvidia-smi and xe vgpu-list...

CPU/Memory usage of some servers shows blank in XenCenter

CPU/Memory usage of some servers shows blank in XenCenter...

XenCenter shows "XenServer tools not installed" even though the Tools are updated.

XenCenter shows virtualization state as " Xentools not installed " Network of the VM shows - Unknown No option in XenCenter to shutdown , reboot or suspend the VM , but only force shutdown and force reboot...

How to Collect SSR for Citrix Insight Services (CIS) Using the CLI in Citrix Hypervisor 8.2 CU1

How to Collect Data for Citrix Insight Service CIS using the CLI in Citrix Hypervisor 8.2 CU1 and later without the use of XenCenter...

Connecting XenServer to XenCenter with AD User credentials fails with incorrect username/password

When trying to add a new host to XenCenter console, the process fails with the message "XenCenter has encountered a problem connecting to this server" and "Incorrect username and/or password". A second XenServer pool using the same AD authentication configuration same domain, same AD groups can...