Windows error 6014 (ERROR_VOLUME_NOT_SUPPORT

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: ERROR_VOLUME_NOT_SUPPORT_EFS the disk partition does not support file encryption.

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ERROR_EFS_ALG_BLOB_TOO_BIG	ERROR_EFS_DISABLED

ERROR_VOLUME_NOT_SUPPORT_EFS

The file system cannot provide EFS semantics on this volume

Applications should query volume capabilities before attempting file encryption. Windows reports EFS support through the FILE_SUPPORTS_ENCRYPTION flag returned by GetVolumeInformation or the equivalent file-system information class.

This is a storage-capability failure, not a missing user certificate and not a policy setting. Moving the file to an EFS-capable volume may be required. For remote paths, remember that SMB does not expose every volume-management operation in the same way as a local volume, so test the actual file-server and share configuration.

What to inspect

The real destination volume and file-system type after resolving mount points, redirection, and shares.
The FILE_SUPPORTS_ENCRYPTION capability bit.
Clustered or continuously available shares whose EFS support differs from ordinary local NTFS use.
Whether the application can use another protection mechanism instead of silently writing plaintext.

References

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