What you will see
You are unable to use Scan to PC in Windows 2000 or 2003. The configured shared folder shows a file that is 0kb in size, and a "Push scan cancelled" error is displayed on the X502 MFP LCD after scanning the page.
Affected Products
This was first recognized on the Lexmark X502 MFP, but it may affect other All-In-Ones or MFPs.
Other Symptoms
Configuration appears to have been successful: Name Resolution, Credentials, and Read/Write rights.
The error occurs when the MFP requests to "write" the file and the server rejects the request.
A network trace indicates a Write AndX Response, Error: Status_Access_Denied message.

Suggested Remedy
Click here to reference Microsoft's solution article regarding this topic. MS Article ID# 842792.
NOTE: The X502 MFP does not allow \\server name so you will have to follow the Modify SMB Signing instructions.
Microsoft's Modify SMB signing instructions:
- In Registry Editor, locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Lanmanserver\Parameters
- In the right-hand pane of Registry Editor, right-click requiresecuritysignature in the Name field, and then click Modify.
The Edit DWORD Value dialog box appears.
- In the Value data box, type 0, and then click OK.
- Quit Registry Editor, and then restart the computer.
IMPORTANT! Please see Microsoft's warning regarding any modification of the system registry.
Domain Users
NOTE: If the computer is a member of a domain, the procedure above may not work since domain policy overwrites this setting.
The policy which sets this can be found in security policies; it is called: Microsoft network server: Digitally sign communications (always), and it should be set to Disabled to make this work.
Alternative Non-Domain Computers
Navigate to Control Panel > Administrative Tools > Local Security Policy.
Still Need Help?
Please contact Lexmark for additional assistance regarding this issue. NOTE: When calling for support, you will be asked for your printer machine type and serial number (SN).
Please call from near the computer and printer in case the technician on the phone asks you to perform a task involving one of these devices.
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