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"404 not found" error at login in Serv-U 15.5.2

User(s) get a "404 not found" Error page when they attempt to login into Serv-U 15.5.2

First published date

7/18/2025 7:17 PM

Last published date

8/13/2025 1:40 PM

Overview

After upgrade to Serv-U 15.5.2, when users attempt to login into Serv-U, they get redirected to http://<servername or IP>/Web%20Client/ListDir.htm - instead of http://<servername or IP>/WebClientNew - which then returns a "404 not found" error page  

Product section

Serv-U Managed File Transfer & Serv-U FTP Server

Cause

This has been identified as a known issue in Serv-U 15.5.2 as a result of Default Web Client at domain/user level having been set to the old (legacy) web client, which has been deprecated in this version.

Resolution

Serv-U 15.5.2 HF1 has been released to address this issue.
Download the above-named Hotfix from your Customer Portal and apply it following the instructions in the readme.txt file.