Device \\.\veritasSnapshot1 cannot be opened. Error 0000045D: The request could not be performed because of an I/O device error.

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Article ID: 100018591

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Description

Error Message

  Device \\.\SymantecSnapshot1 cannot be opened. Error 0000045D: The request could not be performed because of an I/O device error. 

Resolution

Run 'CHKDSK /r' on source disk.

For more information on CHKDSK command refer the site: 

chkdsk | Microsoft Learn

Issue/Introduction

Backup of Data partition presented this error. Could not Create a shadow copy either.
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