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Remediating an ESXi 5.x and 6.0 host fails with the error: There was an error checking file system on altbootbank (2033564)

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  • You cannot remediate an ESXi 5.x and 6.0 host.
  • Remediation of an ESXi 5.x and 6.0 host using vCenter Update Manager fails.
  • You see the error:

    The host returns esxupdate error code:15. The package manager transaction is not successful. Check the Update Manager log files and esxupdate log files for more details
  • In the /var/log/esxupdate.log file, you see entries similar to:

    esxupdate: esxupdate: ERROR: InstallationError: ('', 'There was an error checking file system on altbootbank, please see log for detail.')


This issue occurs due to file system errors on the altbootbank partition.


To resolve the issue, repair the altbootbank partition.

To repair the altbootbank partition:
  1. Run this command to determine the device for /altbootbank:

    vmkfstools -P /altbootbank

    You see output similar to:


  2. Run this command to repair the altbootbank filesystem:

    dosfsck -a -w /dev/disks/device_name

    For example:

    dosfsck -a -w /dev/disks/mpx.vmhba32:C0:T0:L0:5

  3. If remediation fails at this stage, reboot the host.

Additional Information

These command flags can be used with /sbin/dosfck:
  • -a – Indicates automatically repair the filesystem
  • -w – Writes changes to the disk immediately

See Also

Update History

10/15/2015 - Added 6.0 product.

Request a Product Feature

To request a new product feature or to provide feedback on a VMware product, please visit the Request a Product Feature page.


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  • 24 Ratings