Error Code Portal
MicrosoftWindows WinINetError code

12110

ERROR_FTP_TRANSFER_IN_PROGRESS

Alternative forms: 0x00002F4E · 0x2F4E · ERROR_FTP_TRANSFER_IN_PROGRESS

What does this code mean?

Code 12110 · An issue reported by Windows WinINet.

Official explanation · Original text

The requested operation cannot be made on the FTP session handle because an operation is already in progress.

Troubleshooting and diagnostic links

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

This entry links only to official code reference documentation. No separate troubleshooting procedure has been verified.

Source and terms of use

Error Messages (Wininet.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