Data Domain: CIFS Share Access Issues After Password Change

Summary: This article explains how to restore CIFS share access on Data Domain systems after changing a system password. It provides steps to clear cached credentials and reconnect using updated credentials. ...

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Symptoms

  • CIFS share access fails after changing a system password.
  • Attempts to reconnect result in authentication errors.
  • Creating test shares or checking the CIFS configuration does not resolve the issue.

Cause

Windows retains old CIFS session credentials in its cache. After the password changes, these cached sessions prevent successful authentication with the updated credentials.

Resolution

  • Open Command Prompt

    • Search for CMD in the Start menu and open it.

  • Check Existing CIFS Connections

    • Run: 
      net use

  • Delete All Cached Connections

    • Run: 
      net use * /delete
    • Confirm by typing Y when prompted.

  • Reconnect to CIFS Share

    • Use the updated credentials to reconnect.
    • Access should now succeed.

Example:

Additional Information

Additional Resource: Data Domain: Troubleshooting CIFS Permission Issues

Affected Products

Data Domain
Article Properties
Article Number: 000354041
Article Type: Solution
Last Modified: 19 Nov 2025
Version:  1
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