What does HRESULT 0x80042466 (VDS_E_EXTEND_FILE_SYSTEM_FAILED) mean?

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VDS_E_EXTEND_FILE_SYSTEM_FAILED means the storage layer could not complete the file-system expansion after an extend operation.

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VDS_E_ONLINE_PACK_EXISTS	VDS_E_MAX_USABLE_MBR

VDS_E_EXTEND_FILE_SYSTEM_FAILED

VDS_E_EXTEND_FILE_SYSTEM_FAILED means the storage layer could not complete the file-system expansion after an extend operation. A larger partition does not guarantee that the file system can grow successfully.

What to check

Verify the current partition size and the file-system size separately.
Check the volume health before retrying an extend operation.
Review file-system and storage events for an earlier I/O, lock, or compatibility error.

Get-Partition -DriveLetter <letter>
Get-Volume -DriveLetter <letter>

Microsoft: Get-Partition

Microsoft: Get-Volume

Microsoft: Repair-Volume

Microsoft: VDS error codes

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