Error Code Portal
MicrosoftWindows Win32Error code

52

ERROR_DUP_NAME

Alternative forms: 0x00000034 · 0x34 · ERROR_DUP_NAME · 0x80070034

What does this code mean?

Code 52 · An issue reported by Windows Win32.

Official explanation · Original text

You were not connected because a duplicate name exists on the network. If joining a domain, go to System in Control Panel to change the computer name and try again. If joining a workgroup, choose another workgroup name.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

System Error Codes (0-499) (WinError.h) ↗

Creator: Microsoft and MicrosoftDocs contributors
License: Creative Commons Attribution 4.0 International
Checked on: 2026-11-12

Modifications: Extracted numeric codes, symbolic names and English message text; converted Markdown/HTML to plain text and normalized whitespace; added Korean product context, namespace labels, status classification and separately labeled official links. No machine translation of message text.

Source details · Original licenses and notices