Slower transfers via SFTP and for downloads via DMZ Gateway Server


THE INFORMATION IN THIS ARTICLE APPLIES TO:

  • EFT Server (All Versions)
  • DMZ Gateway Server (All Versions)

SYMPTOMS

Slower transfers are occurring when transferring files via SFTP or when downloading files through the DMZ Gateway Server.

CAUSE

A flaw in the way Windows handles delayed acknowledgements under TCP/IP. See Microsoft KB article 823764 and Microsoft KB article 321098.

RESOLUTION

To workaround the problem, modify the TCP/IP Settings on the Server computer. Use Workaround Method 3 discussed in Microsoft KB article 823764.