Datto Failed screenshot with “BOOTMGR is compressed”

by | Sep 9, 2015 | Business Continuity

Ever wonder what to do when you see the BOOTMGR is compressed?

This article describes the cause and possible solution for the screenshot verification error “BOOTMGR is compressed.”

BOOTMGR-is-compressed

Cause

NTFS compression has been enabled on the volume containing the Windows boot files. When this option is selected, Windows will try to compress all files, including critical boot files.

Solution

On the production machine, open Windows Explorer (explorer.exe).

Right click the drive where BOOTMGR is located (typically C:), and select Properties.

Uncheck the Compress this drive to save disk space option.

Take a new backup, and then schedule a screenshot for the new backup.

hdd properties

If you still receive the “BOOTMGR is missing” message after a new backup, manually force a differential merge for the agent. Note that this will force the agent to traverse the entirety of each volume being backed up, and it will appear to be a full backup. However, a diff-merge backup will only incur a cost of space on the storage array equal to a normal incremental and a minor amount of overhead.

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If the BOOTMGR is compressed and you aren’t able to troubleshoot, contact us directly.

Dale Shulmistra is a Business Continuity Specialist at Invenio IT, responsible for shaping the company’s technology initiatives — selecting, designing, implementing & supporting business continuity solutions to bolster client operational efficiencies and eliminate downtime.

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