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Microsoft ISA 2004 and Access denied

Problem

When connecting through a Microsoft ISA 2004 server, the FTP client has read only access to files and folders. Uploading, renaming, or deleting a file or folder is not possible. The FTP server replies with the following error: 

550 Access denied.

Solution

Microsoft ISA 2004 server (acts as Firewall) default settings only allow read access (list and download).

To change these settings open ISA management -> Select Firewall policy -> Web Access -> Protocol -> Filtering ->Configure FTP. On this page remove the check mark from the "Read Only" option.

Applies To
Microsoft ISA 2004

Links
FTP Client Access from an ISA Server Network

Keywords
server isa

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