Hyper v vss writer missing. You need to check the Windows and Hyper-V logs as shown in this article and look deep into Hyper-V’s logs as well, in addition to the regular Windows Application and System logs. Then rerun 'vssadmin list writers' to check if the writer is stable. Check the component level error state for more information. Sep 30, 2021 · I don’t think there is a problem with the host since lots of other virtual machines still work fine. Run the command vssadmin list writers and make sure that the Hyper-V writer is present and stable. It could be that the VM is vetoing the backup, too. This allows backups to volumes that remain in running state. Use the vssadmin list writers command again to show if the vss writer is now in a stable state. Feb 10, 2015 · There are instances when snapshots are failing due to an agent’s VSS writers being in a failed state but it is impossible or not desirable to restart the server until at least after business hours. Feb 12, 2026 · The VSS writers on the Windows Server 2003 or Windows Server 2008 guest report as failed as long as the Hyper-V writer on the Windows Server 2012 R2 host reports that the backup was successful. In some cases, the VSS service or one of its writers start to work incorrectly which results in failures during the backup. If not, try to re-initialize the writer by restarting the following services: Backup Service Controller Hyper-V Virtual Machine Management Volume Shadow Copy If Hyper-v writer still missing, then reference this article from Microsoft This article provides a solution for Hyper-V restore failure due to Volume Shadow Copy Service (VSS) writer. . Each major application or service that stores stateful data (like SQL Server, Exchange, Hyper-V, or Active Directory) has its own VSS writer. (0x80042336) Unspecified error (0x80004005) You can use the list below to find the service that corresponds to the VSS Writer in question. You can try temporarily using different backup software like free Veeam B&R Free Backup Software For Windows, VMware, & More - Veeam to see if the problem persists since they all use VSS writes but potentially in a different manner. Microsoft Hyper-V VSS Writer The writer experienced a partial failure. Jan 8, 2020 · At Bobcares, we often get requests regarding Hyper-V as a part of our Server Management Services. Once they are in a failed state, it is usually necessary to restart the server. If the vss writer remains in a failed state, find registry of Hyper-V recreate the Hyper- V VSS writer registry, backup, delete and import a new one from a working computer to see the result. Feb 2, 2021 · Please try to restart the Hyper-V VMMS service and check the status of VSS writer again. Feb 12, 2026 · Provides a resolution for the issue that no VSS writers are listed when you run vssadmin list writers. You’d want to look for VolSnap, VSS, and other errors and Disk Warnings. Re-attempt your operation and determine if the writer fails again. Jul 1, 2025 · The Critical Role of VSS Writers For VSS to create a consistent snapshot of an application’s data, it needs to coordinate with the application itself. This is where VSS Writers come in. Restarting the corresponding windows services in many cases will resolve the VSS issues. Locate the writer in the list above, and restart the correlating service. Sep 23, 2011 · Learn how to register Volume Shadow Copy Service (VSS) writer with Windows Server Backup. Mar 11, 2024 · VSS Writer Failed: Re-registering VSS Writers on Windows Server Most backup solutions for Windows use Volume Shadow Copy Service (VSS) to create backup copies of the application or service data. An alternative solution other than restarting Jun 4, 2015 · Basic VSS Writer Troubleshooting Launch an administrative command prompt and run 'vssadmin list writers' to determine which, if any, writers are in a failed state. The VSS writers may be in a failed state for many different reasons. Today let’s discuss how our Support Engineers resolve Hyper-v VSS writer failed for our customers. Feb 12, 2026 · To back up Hyper-V virtual machines from the parent partition on Windows Server by using Windows Server Backup, you must register the Microsoft Hyper-V VSS writer with Windows Server Backup. Feb 12, 2026 · Fixes an issue where no VSS writers are listed when you run the "vssadmin list writers" command and events are logged. This article helps fix an issue where no VSS writers are listed when you run the vssadmin list writers command and events are logged. voocz lzfyok zuxc etdb opctyjay cycie cdhn bhiyoxk vgeb xxx