Enabling plain-text passwords on Windows XP

1. From the Start menu, open Start -> Programs -> Administrative Tools
2. In the Administrative Tools folder, double-click Local Security Policy
3. In the Security Setting folder, click the plus sign next to Local Policies to expand it.

4. Double-click Security Options
5. Scroll down to near the bottom of the list and double-click Microsoft network client: Send unencrypted passwords to connect to third-party SMB servers
6. Click the Enabled radio button.
7. Click OK

   

8. Close the Local Security Settings Window.
9. Reboot