What does HRESULT 0x8004231D (VSS_E_VOLUME_IN_USE) mean?

Status / error code:

Category:

Constant name:

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Facility:

Operating System:

Description:

The specified shadow copy storage association is in use and so can't be deleted.

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VSS_E_UNSUPPORTED_CONTEXT	VSS_E_MAXIMUM_DIFFAREA_ASSOCIATIONS_REACHED

VSS_E_VOLUME_IN_USE

VSS_E_VOLUME_IN_USE The requested shadow-copy storage association is still in use and cannot be deleted. Another snapshot, backup, restore, or VSS operation still depends on it.

What to check

List shadow copies and storage associations to determine which source and storage volumes are involved.
Verify that no backup, restore, or snapshot creation job is still running before attempting cleanup.
Do not delete or resize the association blindly: changing shadow-storage configuration can remove existing shadow copies.

vssadmin list shadows

vssadmin list shadowstorage

Microsoft: vssadmin list shadows

Microsoft: vssadmin list shadowstorage

Microsoft: vssadmin resize shadowstorage

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