Windows > Virtualization

Error : The requested operation cannot be performed on a file with a user-mapped

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Jithin:
Hi Guys,

Sometimes you may get the following error  when you try to create or start a Hyper-V virtual machine.

The requested operation cannot be performed on a file with a user-mapped section open. (0x800704C8)

You are getting this error because you may have configured the antivirus in the node to monitor the files in the vitrual machine.

To resolve this problem, configure the real-time scanning component within your antivirus software to exclude the following directories and files:
Default virtual machine configuration directory (C:\ProgramData\Microsoft\Windows\Hyper-V)
Custom virtual machine configuration directories
Default virtual hard disk drive directory (C:\Users\Public\Documents\Hyper-V\Virtual Hard Disks)
Custom virtual hard disk drive directories
Custom replication data directories, if you are using Hyper-V Replica
Snapshot directories
Vmms.exe (Note: This file may have to be configured as a process exclusion within the antivirus software.)
Vmwp.exe (Note: This file may have to be configured as a process exclusion within the antivirus software.)

Warning : Do this on your own risk. Disabling firewall rules may cause security issues.

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