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Copy-on-write mechanism error, please close other programs and try again

Fix the error "Copy-on-write mechanism error" while backing up or cloning partition/disk.

Updated on 2019-05-16 10:06:45

This article applies to:
EaseUS Todo Backup 5.3 and later version

Introduction

When backing up or cloning partition/disk, you may encounter the error "Copy-on-write mechanism error, please close other programs and try again." and operation fails.

Solution


1. Close other application to reduce hard disk I/O transmission.
2. Add new volume in your system for temp file storage.
3. Reboot OS and try again.

More Information

Contact EaseUS Support Team if the issue cannot be resolved with the solution.