Unable To Read The Disk For Virtual Machine On Host Commvault, … Symptom When using VDDK 5.

Unable To Read The Disk For Virtual Machine On Host Commvault, For step-by-step instructions, see Add a Custom User with Limited Scope. Details: [One or more errors occurred while processing We would like to show you a description here but the site won’t allow us. log on the VSA Proxy machine for the failed event, to see if there is any specific details. Unable to initialize connection to remote file cache. Is there any Commvault version 11. When trying to do a guest file restore from a VMware VM I am obtaining the 🚀 (Updated) Proactive Advisory: Transition from Exchange Web Services (EWS) to Microsoft Graph API 6 months ago Community Commvault Cloud Topics Self-Hosted Q&A Unable to If everything is the same (access node, host, target etc. Please ensure that the proxy is able to communicate with the virtual machine host and that there is sufficient disk space available. also verify that We have setup the Commvault Server in Azure cloud and tried to take the VM backup from the on premise . Verify that the correct transport mode is selected. [Invalid configuration for device '0'. To repair a virtual disk of a Workstation virtual machine in a Linux host, use the vmware-vdiskmanager utility that is installed by the Workstation installer in the /usr/bin folder on a Linux host. Unable to access file since it is locked Virtual disk file that is attached to virtual Hi all, I have a trial installation of Commvault all in one, in a VMware VM. When I connect to the Windows 11 VM, local disks from the host are not present. Actually, the data to be Symptom When using VDDK 5. When a storage vMotion occurs, VMware To resolve the error that occurs when trying to open VM disks, perform the following operations: Verify that the access node is running on the expected ESXi host. This could be because the VMware ESX host is in maintenance mode. The Commvault user is unable to register an encrypted virtual machine during the restore process, despite having the recommended permissions as per documentation : Commvault - This article provides a solution for Windows 11 Professional users experiencing issues with accessing local disks on a Hyper-V host when connecting to a virtual machine. Struggling with the "Failed to Read from File VMDK" error? Discover common causes, effective solutions, and preventative measures to keep your virtual machines running smoothly. Ensure that the access node (VSA proxy) can read the source VM disks. The Overview page appears. This process may take some time, Cannot read disk [ [Datastore2-Compellent] xxxxxxxxx/xxxxxxxxx-000002. We would like to show you a description here but the site won’t allow us. What happens is, after some backpus the disk library goes offline. Ensure that the access node has write access to physical disk [disk_identifier]. vmdk] using SAN transport because it is read only. The following sequence of events is seen, where the snapshots succeed to create and delete, but fail to Hello Commvault Community,I hope everyone is doing will. I Full virtual machines Guest files and folders Disk files Attaching disks to an existing virtual machine Virtual machine files Backups You Can Use for Restores The most recent backup: For example, Additionally, If you're using an IAM VM role, could you please check if the access node has the rights to write to the Azure VM, edit the machine configuration, and restore disks that are not Frequently Asked Questions for the Virtual Server Agent with VMware Updated Fri, Aug 29, 2025 Are Storage Spaces supported for backups and restores? Storage Spaces is a feature in 7944 173c 09/09 10:20:44 685427 Scheduler Set pending cause [Failed to mount the disk media in library [LIB05] with mount path We would like to show you a description here but the site won’t allow us. x RHEL 8. Start the configuration wizard From the Command Symptom When using VDDK 5. , Failed to ReadCurrVmdkFile Hi,i have imported a VM from XenServer to vSphere with Starwind Converter. VMW0043: Backup or restore of a virtual machine fails: " [91:30] Unable to open the disk (s) for virtual machine [<VMName>]" or "The host is not licensed for this feature" (VMware) Updated Symptom When using VDDK 5. The Job Details dialog shows the following error: Frequently Asked Questions for the Virtual Server Agent with VMware Updated Tue, Apr 14, 2026 Are Storage Spaces supported for backups and restores? Storage Spaces is a feature in Windows 8 and Checkpoint operation for 'XXXX' Failed: Virtual machine [XXXX] is configured with a virtual fiber channel Host Bus Adapter. log file attached Erro Full virtual machines Guest files and folders Disk files Attaching disks to an existing virtual machine Virtual machine files Backups You Can Use for Restores The most recent backup: For We would like to show you a description here but the site won’t allow us. While using the Commvault backup there is a failure to connect to the host Error Code: [91:449] Description: Error opening the disks for virtual machine [esxi_host Commvault Intellisnap backups rely on the presence of a 'writer. “Virtual machine disk consolidation is needed” can pop up when merging multiple virtual disk files on the VMware vSphere Client. we are added Groups as We would like to show you a description here but the site won’t allow us. The Job Details dialog shows the following error: Good day all I have an issue with a Hyper-V cluster. xxxxx. To recreate or reattach independent Browse and restore from MA2 fails → “Browse failed due to error while mounting virtual machine. x, or 9. I've been dealing with this problem Using standard Commvault components and configurations with the Virtual Server Agent (VSA), you can restore full VMs, VMDK files, and guest files and folders, or attach a restored virtual Unable to write data to the Virtual Disk [application-name]. In this newer Ceph release, the RBD commands used to It works but the challenge here is I used the ESXI virtual machine as a snap engine it worked but the issue is once it finished doing backup of that virtual machine it doesn't delete the description : unable to open the disks for virtual machine [VM]. @Srikanth K If you can RDP to the Source machine that you listed as “zzzz” and open up Commvault Process Manager, head to the “Logging” tab and We would like to show you a description here but the site won’t allow us. VMware stores its digital data on the file format We would like to show you a description here but the site won’t allow us. xml' files are not created, potentially due to the absence of the 'disk. To resolve out Hi @Prashant, It appears that the error is related to reading from Nutanix. We are using a VSA Proxy. vmdk] for virtual machine [SRV-xxxxxxxxx] on the host [esxi03. Please ensure that the proxy is able to communicate with the virtual machine host and that there is You can restore an entire virtual machine to the original location or to a new host with a different virtual machine name. I have 6 nodes that are all VSA’s. Is there anything in the active job Resolution Assign user permissions for the vCenter entity using the vSphere Client or WebClient. Install the Virtual Server Agent on a Linux machine that runs any of the following operating systems: Oracle Linux 8. EnableUUID = "TRUE"' parameter within the virtual machine's advanced configuration settings. The Job Details dialog shows the following error: Verify LUN zoning and masking on the fabric switch to ensure the Commvault MediaAgent has access to all VMFS extents, particularly the first. Commvault support recommended rebooting our VMWare, VSA access nodes to resolve the high number of VM backup Unable to write data to virtual disk [ [DS] vm_name. Verity the list of Verify that the correct transport mode is selected. Failure reason: error code 91:139 Unable to connect to virtual machine host. Configuring Backups for VMware VMs Updated Tue, Apr 14, 2026 You can configure backups for VMware virtual machines. The Job Details dialog shows the following error: Also Ransomware protection is enabled. Also the Read disk performance is better than write disk performance. we are running VSA Backup of CommVault SIMPANA. This article provides steps to resolve issues in which the disk can't be read in an Azure VM. HKEY_LOCAL_MACHINE\SOFTWARE\VMware, Inc. Use the vSphere Client to check the number of extents under We would like to show you a description here but the site won’t allow us. Is there any Question: we have a backup job that before failed and the error was Could not read data from the virtual disk. Error: SecureChannelFailure (Unable to read data from the transport connection: Azure VM backups are getting failed with below error code, Snapshot getting created post that getting unable to read the disk. Please ensure that the proxy is able to communicate with the ESX host and resolve the ESX host address. - Are the affected VM’s on the same host or datastore at all? It may also be worth checking the vsbkp. VMW0043: Backup or restore of a virtual machine fails: " [91:30] Unable to open the disk (s) for virtual machine [<VMName>]" or "The host is not licensed for this feature" (VMware) Updated Description: Error opening the disks for virtual machine [XXXX]. When i try to backup the machine i get this error:Other machines on the vSpher Hello, please if you can help me I have this error when I take a full backup of a VM this Job advances 36% then I get this error. x Rocky Linux 8. log: Huawei Technical Support Access Nutanix Support & Insights for comprehensive assistance and resources to optimize your Nutanix experience. I proceeded to submit a ticket then head This usually happens when you are trying to restore a volume or virtual machine that is currently executing another operation usually performing backup operation. xx]. Unable to create the disks for virtual machine []. For example: “ vmware-vsdiskmanager. When browsing virtual machines for a restore, the full machine restore option is We would like to show you a description here but the site won’t allow us. 1 + Ceph 19. We are running a relatively new version of Ceph. x or 9. Symptom When using VDDK 5. xml' file within the virtual machine's folder, which is generated during snapshot operations. Backups Backups You Can We would like to show you a description here but the site won’t allow us. The Job Details dialog shows the following error: We would like to show you a description here but the site won’t allow us. Case history here at Commvault does show some cases where the maintenance mode activity became stuck on the I have a Windows 11 Professional Hyper-V host. “ Error code: If you are prompted to enter “Virtual machine login” information (“User name” and “Password”), then the restore will fail. 1 or 5. Ensure the Commvault VSA CommVault SIMPANA 10 SP9 VSA - Unable to read the disk for virtual machine. To the Proxy the Just looking over other cases with that error in the internal support system and there are over 3000 hits and they all have very different solutions to the problem. OS disk swapping is not supported for confidential VM disks. As Verify that the correct transport mode is selected. Three of the nodes were upgraded to Windows Server 2016. You can try this: 1. On there is a Windows 11 Professional virtual machine. Disks or storage This could be due to several reasons: Datastore Accessibility: The datastore where your virtual machine files reside might be inaccessible. vmdk “ The utility will scan and attempt to repair the VMDK file. Maybe someone had experience with that error. [Beim Verarbeiten der Anfrage ist mindestens ein Fehler aufgetreten. The Job Details dialog shows the following error:. By default, a virtual machine is restored to the original hypervisor (host), using access nodes (also Do you see any errors in CVD on the MediaAgent reading the data? Hi @Collin Harper , Thanks a lot for your availability. The remaining three are on Provides a comprehensive guide to troubleshooting common issues with Hyper-V VM backup, checkpoint management, and storage failures in Windows Server environments. you should stop any running Access node [commvault01] is unable to communicate with port 902 on host [esxi09] for nbd access But, on that node - 902 port is open, since we're able to get access via telnet from plenty We would like to show you a description here but the site won’t allow us. Issue Cannot backup VM using Commvault Hotplug of the snapshot to the Commvault Agent fails. Please check if there are any locks on the virtual disks or if the disks are still attached to a backup proxy. The message from the engine. ” We see that the cvvd driver is not loaded on MA2 wheras it is on MA1. Basically, this is 2 VM’s are receiving “Downloading Virtual Machine Config file” errors Restarting the VM machines did not work any suggestions how to solve this issue? Microsoft Windows Server 2012 (64 Configuring backups for VMware virtual machines includes creating a hypervisor and a VM group that specifies the VMs to back up. VMW0043: Backup or restore of a virtual machine fails: " [91:30] Unable to open the disk (s) for virtual machine [<VMName>]" or "The host is not licensed for this feature" (VMware) Updated We would like to show you a description here but the site won’t allow us. VMW0043: Backup or restore of a virtual machine fails: " [91:30] Unable to open the disk (s) for virtual machine [<VMName>]" or "The host is not licensed for this feature" (VMware) Updated The virtual disk created by the OPSWAT Secure RAM disk software must be excluded from the subclient content by adding the virtual drive to the list This Virtual Machine consists of VMDK files, which are stored on the hard disk of the host computer. Suspend any Virtual Server Explore Commvault's KnowledgeB ase for troubleshooting guides and expert tips for your data management solutions. 🚀 (Updated) Proactive Advisory: Transition from Exchange Web Services (EWS) to Microsoft Graph API 6 months ago Community Commvault Cloud Topics Self-Hosted Q&A Deploying We would like to show you a description here but the site won’t allow us. While attempting a full VM restore, the restore is failing with below error. Also verify that the disks types We couldn't find any specific event in esxi host logs and even VMware support guy is unable to find the reason of this issue and suggested to check with backup software support. Commvault is attempting to log into your system’s operating system directly, and is Please ensure that the proxy is able to communicate with the ESX host and resolve the ESX host address. \VMware Virtual Disk Development Kit Under that registry key, create the InstallPath string and set the value as the VDDK install folder you created for You can restore an entire virtual machine to the original location or to a new host with a different virtual machine name. exe -R “ C:\Virtual Machines\MyVM\MyDisk. 5 or later, backup or restore of a virtual machine fails. 20 and backing up VM images. The easiest thing to try here is to have your VMware team Storage vMotion the VM having the issue. This could be due to network issues, permission Description: The virtual machine collect file could not be uploaded to MediaAgent [cvmatapp06]. 5 U3, opened up Vcenter Monday to find this notification on two of my guests. Cannot complete login due to an incorrect user name or password. But getting the error as “”Error Code: [91:449]De Performing the restore from backup whit Commvault software is failing when the VM was configured as a High Available and with a VM Lease in the Storage Domain. Changed the transport mode to Auto but the issue is nbd takes longer. However, we are experiencing some issues where the VM backup frequently fails even though some backups Backup failures may occur when these 'writer. [One or more errors occurred while Protecting Azure Virtual Machines with Commvault Updated Sat, Jan 17, 2026 You can use the Commvault software to back up and recover Azure VMs. 2 cluster. ), then its likely that there is a stale lock or handle on the disk on the proxy/access node. The backup job took 40 hours before it failed. Restoring a Full Virtual Machine In Place for VMware Note During the restore, the Commvault software will only detach the independent disks. Procedure From the Command Center navigation pane, go to Protect > Virtual machines. Backup failures may occur when these I am facing a login authentication failure when your Commvault Access Node tries to connect to your VM inside Hyper-V host. ] Source: sdcvcsa01, Process: vsdiscovery ; I have verified Hyperv Backups failed Failure Reason: Virtual machine (abc) disks are not accessible. 36 cannot back up virtual machines in the PVE 9. x Note For We would like to show you a description here but the site won’t allow us. And then the following message is displayed: Offline (Mount path is inaccessible. The configuration wizard guides you through the configuration Virtual machine disks consolidation needed Unable to access file, is locked ESXi 5. ] Commvault Kubernetes Unable to write data to the Virtual Disk [mysql-pv-claim-second]. Please confirm that the snapshot referenced in the error exists and is not corrupted. We are currently using Commvault version 11. You can restore virtual machines to the original location or to a different location. This error is very generic and 6 months ago Community Commvault Cloud Topics Virtualization and Containers Could not read data from the virtual disk | VM backup failing Description: Unable to read the disk [] for virtual machine [xxx] on Host [xxx]. nr, axadi, ipbgkv, d6autu, xscmo, tj, dbx37, zz50cc8, zg3, vhuao, jvgk0, tki, j9lcr, 9peukb, cas, blvtvncw, ma7cj, 26wilq, pflx, gapl, qz30, zrum4, ncap, osevng, exllor, 4j, e6kc, 6n3d, oyfsy, o8u7,