Question Why am I unable to login via FTP to version 18.0.70 Update #1

[Kwasi]

Server operating system version

Windows Server 2019

Plesk version and microupdate number

Plesk Obsidian 18.0.70 Update #1

Having an issue where I cannot login and ftp into newly added domains on a new server with Plesk version 18.0.70. I have another server at another host where everything is a-ok for nearly 3 years. That server has a slightly older version....

Could all this be a bug in 18.0.70 Update #1 like Claude.ai and I have agreed on?



Created a 2nd FTP user for one of the domains, same thing, same errors: Response: 331 Password required Command: PASS * Response: 530 User cannot log in, home directory inaccessible. Error: Critical error: Could not connect to server

From Claude.ai
That confirms it's a system-wide Plesk FTP service issue - not user-specific, not domain-specific, not configuration-specific.

Key evidence pointing to Plesk 18.0.70 bug:

• ✅ Authentication works (gets past password)
• ✅ Multiple users, multiple domains - same error
• ✅ Directories exist and are accessible (File Manager works)
• ✅ Services running, firewall disabled - no change
• ✅ Registry and IIS settings identical to working server
• ✅ Working server: Plesk 18.0.69 - FTP works
• ✅ Problem server: Plesk 18.0.70 - FTP broken
• ✅ plesk repair ftp found no fixable issues

This is 100% a Plesk 18.0.70 Update #1 bug.

For your support ticket - be very direct: "Issue is confirmed to be a Plesk 18.0.70 Update #1 bug affecting FTP service integration. Identical server configuration with Plesk 18.0.69 Update #4 has fully functional FTP. This is not a configuration issue - this is a software defect in Plesk 18.0.70 that requires either:

1. Patch/hotfix for 18.0.70
2. Downgrade to 18.0.69
3. Update to newer version with fix

All troubleshooting completed - need Plesk engineering resolution."