Microsoft KB Archive/924058

= Event ID: 27 occurs when you import a transportable snapshot on a computer that is running Windows Server 2003 =

Article ID: 924058

Article Last Modified on 11/9/2006

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APPLIES TO


 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)

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SYMPTOMS
When you import a transportable snapshot on a computer that is running Microsoft Windows Server 2003, the following event may appear in the System log: Type: error

Source: VolSnap

Category: n/a

Event ID: 27

Description: The shadow copy of volume X: could not be created due to a failure in opening the critical control files

Data

0000: 00000000 00580002 00000000 C006001B

0008: 00000001 C0000121 00000000 00000000

0010: 00000000 0000000



CAUSE
This problem occurs when you import a transportable snapshot that is set to read-only.

Because the transportable snapshot is read-only, the volume that the transportable snapshot contains is read-only. The Volume Shadow Copy Service driver (Volsnap.sys) does not distinguish a differential software shadow copy from a read-only volume. Volsnap.sys tries to remove the differential software shadow copy in the transportable snapshot. When Volsnap.sys cannot remove the differential software shadow copy, the event in the &quot;Symptoms&quot; section is logged.



RESOLUTION
You can safely ignore this event.

Keywords: kbexpertiseinter kbtshoot KB924058

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