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STC Failure Occurred Mid Transfer (6, 'closehandle', 'the handle is invalid.')

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Problem

This article describes the cause and possible solution for the error: STC Failure Occurred Mid Transfer (6, 'closehandle', 'the handle is invalid.')

Cause

This error typically appears when there is an issue with the ShadowSnap agent communications. This is a Python error that could signify a corrupted ShadowSnap install.

Solution

 

  • If this error is a result of a first time backup, reinstall the ShadowSnap agent using the PsExec utility:
  • Ensure that there are antivirus exceptions for the StorageCraft directories and services.
  • Force a differential merge from the Advanced section under the Configure Agent Settings page.
  • If the error persists, contact Datto Technical Support.

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