Final answer:
Hyper-V virtual machines may get stuck in a saved state due to issues like insufficient host disk space, integration services problems, software updates, configuration errors, or hardware problems. Troubleshooting steps include checking disk space, verifying services, updates, permissions, and VM configuration files, and consulting event logs for detailed error information.
Step-by-step explanation:
When Hyper-V virtual machines become stuck in a saved state, it often indicates there's an issue with the Hyper-V configuration or the underlying hardware. Common reasons include insufficient disk space on the host for the VM to resume, problems with the integration services within the VM, or even an update or security patch that may have affected the behavior of the Hyper-V host. Other causes could be related to permissions settings, corrupted VM configuration files, or networking issues.
To resolve, one should first check basic items like disk space and then move on to more complex troubleshooting steps such as:
Ensuing all necessary Hyper-V services are running on the host.
Checking if there are pending updates or patches.
Verifying permissions on the VM files and folders.
Inspecting the VM configuration files for corruption or incorrect settings.
If the initial troubleshooting steps don't solve the issue, it may require a deeper investigation into the host configuration and the state of the virtual machines. Sometimes restarts of the service or the host machine can resolve issues that are not immediately apparent. If all else fails, consulting the Hyper-V event logs might give specific details as to why the VMs are stuck in a saved state.