

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix. This hotfix might receive additional testing. Apply this hotfix only to systems that are experiencing this specific problem. However, this hotfix is intended to correct only the problem that is described in this article.

The Firewall Client program is not installed, and your computer is configured as a SecureNAT client.Ī supported hotfix is available from Microsoft. You use the Ftp.exe command-line FTP client program. This problem does not occur if the following conditions are true: On the Tools menu, click Internet Options.Ĭlick the Advanced tab, and then under Browsing, locate the following check boxes: To locate these check boxes, follow these steps: Note This check box controls whether Internet Explorer uses active mode or passive mode FTP. The Use Passive FTP check box is not selected in Internet Explorer. Microsoft does not guarantee the accuracy of this third-party contact information. This contact information may change without notice. provides third-party contact information to help you find technical support.

To view RFC 959, visit the following Network Working Group Web site: If this check box is not selected, Internet Explorer sends FTP requests to the Web proxy server as HTTP requests. Note If this check box is selected, Internet Explorer exhibits the same behavior as a typical FTP client program. The Enable folder view for FTP sites check box is selected in Internet Explorer. The ISA Server 2004 Firewall Client program is installed and enabled. This problem occurs if the following conditions are true:
