Microsoft KB Archive/873188

= You cannot scan images with a network scanner when Windows Firewall is turned on in Windows XP Service Pack 2 or in Windows XP Tablet PC Edition 2005 =

Article ID: 873188

Article Last Modified on 11/11/2004

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APPLIES TO


 * Microsoft Windows XP Service Pack 2
 * Microsoft Windows XP Service Pack 2
 * Microsoft Windows XP Service Pack 2
 * Microsoft Windows XP Tablet PC Edition 2005

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SYMPTOMS
If you turn on Windows Firewall and then select Allow this computer to use a network scanner in the Scanner and Camera window in Control Panel, you cannot use the Scanner and Camera Wizard to access a network scanner.



CAUSE
This problem occurs because Windows Firewall blocks TCP port 21. This port is required.



WORKAROUND
To work around this problem, you must create a Windows Firewall exception for TCP port 21. To do this, follow these steps:
 * 1) Click Start, click Run, type firewall.cpl, and then click OK.
 * 2) In the Windows Firewall dialog box, click the Exceptions tab, and then click Add Port.
 * 3) In the Add a Port dialog box, type Scanner and Camera Wizard in the Name: text box.
 * 4) In the Port number: text box, type 21.
 * 5) Click TCP, and then click OK.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbtshoot kbbug kbnofix kbperformance kbconsumer kbhardware kbfirewall kbnetwork kbconfig kbdriver kbwinxpsp2rel KB873188

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