Rockwell Automation (Allen-Bradley) MicroLogix 1100 / 1400 Embedded Web Server (Bulletin 1763 / 1766) — Default Password
Default username and password for the Rockwell Automation (Allen-Bradley) MicroLogix 1100 / 1400 Embedded Web Server (Bulletin 1763 / 1766): administrator / ml1100. Learn how to log in at 192.168.1.1 and how to change the default credentials.
Default credentials apply to the embedded HTTP web server in 1763 (MicroLogix 1100) and 1766 (MicroLogix 1400) controllers. Separate from PLC program-access passwords configured by the programmer.
| Username | Password | Access | Notes |
|---|---|---|---|
administrator | ml1100 | Web UI | Embedded web server; same default password on both MicroLogix 1100 and 1400 |
- Default IP
- 192.168.1.1
- Source
- vendor manual
Responsible use
This database lists publicly documented default credentials so administrators can find and change them. Only use these on systems you own or are authorized to test.
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