Article ID: 969601 - View products that this article applies to.
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You are running a Windows Server 2008-based computer and you manually assign a drive letter to a volume using the following steps:
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You may see this prompt even if the volume is already formatted and contains data.
If you accept this prompt (which is the default selection in the dialog), the volume will be reformatted, and you will no longer be able to access the data that the volume originally contained.
This problem may occur as the result of an internal Windows error.
Under certain conditions, the Shell Hardware Detection Service may encounter errors in retrieving volume information when a volume mount event is detected. Such errors may result in the state of the volume being reported incorrectly. As a result, the volume may be incorrectly reported as unformatted when in fact it is already formatted and contains data.
When you assign a drive letter to a volume that is already formatted, and you are prompted by the system to format the volume, do not proceed with the format request. Click Cancel to dismiss the popup message. The drive letter will be assigned, but the volume will not be reformatted, and the existing data will be retained.
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Article ID: 969601 - Last Review: June 10, 2009 - Revision: 2.0