Error Code Portal
MicrosoftWindows Win32Error code

1219

ERROR_SESSION_CREDENTIAL_CONFLICT

Alternative forms: 0x000004C3 · 0x4C3 · ERROR_SESSION_CREDENTIAL_CONFLICT · 0x800704C3

What does this code mean?

Code 1219 · An issue reported by Windows Win32.

Official explanation · Original text

Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowed. Disconnect all previous connections to the server or shared resource and try again.

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 (1000-1299) (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