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[PR #1058] Document Windows KB5074109 RDP authentication issue #2881

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opened 2026-03-01 17:23:37 +03:00 by kerem · 0 comments

kerem commented

2026-03-01 17:23:37 +03:00

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📋 Pull Request Information

Original PR: https://github.com/1Remote/1Remote/pull/1058
Author: @Copilot
Created: 1/22/2026
Status: 🔄 Open

Base: main ← Head: copilot/check-rdp-auth-error-changes

📝 Commits (3)

fa37cbb Initial plan
24b3cd5 Add comprehensive investigation and troubleshooting documentation for RDP auth error issue #1056
beae74e Add Chinese troubleshooting guide and issue summary for RDP auth error

📊 Changes

5 files changed (+440 additions, -0 deletions)

View changed files

➕ INVESTIGATION_ISSUE_1056.md (+126 -0)
➕ ISSUE_1056_SUMMARY.md (+58 -0)
➕ TROUBLESHOOTING_RDP_AUTH_ERROR.md (+117 -0)
➕ TROUBLESHOOTING_RDP_AUTH_ERROR_ZH.md (+129 -0)
📝 readme.md (+10 -0)

📄 Description

Context

Issue #1056 reports RDP authentication error 0x80080005 after Windows update. Users reported v1.2.1 worked while newer versions failed.

Investigation Results

Analyzed 71 commits (v1.2.0 → HEAD), reviewed 18 RDP-specific changes. Finding: No authentication code changes. CredSSP configuration unchanged since 2022 .NET 6 migration.

Root cause: Windows Update KB5074109 broke CredSSP authentication system-wide, affecting all RDP applications. Microsoft released KB5077744 (out-of-band) to fix.

Changes

Documentation Added

INVESTIGATION_ISSUE_1056.md - Technical analysis: code review methodology, commit-by-commit findings, CredSSP examination
TROUBLESHOOTING_RDP_AUTH_ERROR.md - User guide: KB5077744 installation steps, workarounds, verification
TROUBLESHOOTING_RDP_AUTH_ERROR_ZH.md - Chinese translation
ISSUE_1056_SUMMARY.md - Executive summary
readme.md - Added troubleshooting section with bilingual links

User Action

Install Windows Update KB5077744 from Microsoft Update Catalog. This is an OOB update that won't appear automatically in Windows Update.

References

Microsoft KB5074109 (bug): https://support.microsoft.com/topic/january-13-2026-kb5074109
Microsoft KB5077744 (fix): https://support.microsoft.com/topic/january-17-2026-kb5077744

Original prompt

检查1.2.1到最新版本之间，哪些改动会导致#1056中发生的RDP连接时提示An authentication error has occurred (Code: 0x80080005).

✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/1Remote/1Remote/pull/1058 **Author:** [@Copilot](https://github.com/apps/copilot-swe-agent) **Created:** 1/22/2026 **Status:** 🔄 Open **Base:** `main` ← **Head:** `copilot/check-rdp-auth-error-changes` --- ### 📝 Commits (3) - [`fa37cbb`](https://github.com/1Remote/1Remote/commit/fa37cbb2d5283580f8af26dba66c00a4e3932623) Initial plan - [`24b3cd5`](https://github.com/1Remote/1Remote/commit/24b3cd5f3ebc3dc427729144289df256b24e5480) Add comprehensive investigation and troubleshooting documentation for RDP auth error issue #1056 - [`beae74e`](https://github.com/1Remote/1Remote/commit/beae74ef369c4a0bc978f945cbf8bf9e247bea52) Add Chinese troubleshooting guide and issue summary for RDP auth error ### 📊 Changes **5 files changed** (+440 additions, -0 deletions) <details> <summary>View changed files</summary> ➕ `INVESTIGATION_ISSUE_1056.md` (+126 -0) ➕ `ISSUE_1056_SUMMARY.md` (+58 -0) ➕ `TROUBLESHOOTING_RDP_AUTH_ERROR.md` (+117 -0) ➕ `TROUBLESHOOTING_RDP_AUTH_ERROR_ZH.md` (+129 -0) 📝 `readme.md` (+10 -0) </details> ### 📄 Description ## Context Issue #1056 reports RDP authentication error `0x80080005` after Windows update. Users reported v1.2.1 worked while newer versions failed. ## Investigation Results Analyzed 71 commits (v1.2.0 → HEAD), reviewed 18 RDP-specific changes. **Finding: No authentication code changes.** CredSSP configuration unchanged since 2022 .NET 6 migration. **Root cause: Windows Update KB5074109** broke CredSSP authentication system-wide, affecting all RDP applications. Microsoft released KB5077744 (out-of-band) to fix. ## Changes ### Documentation Added - `INVESTIGATION_ISSUE_1056.md` - Technical analysis: code review methodology, commit-by-commit findings, CredSSP examination - `TROUBLESHOOTING_RDP_AUTH_ERROR.md` - User guide: KB5077744 installation steps, workarounds, verification - `TROUBLESHOOTING_RDP_AUTH_ERROR_ZH.md` - Chinese translation - `ISSUE_1056_SUMMARY.md` - Executive summary - `readme.md` - Added troubleshooting section with bilingual links ### User Action Install Windows Update KB5077744 from Microsoft Update Catalog. This is an OOB update that won't appear automatically in Windows Update. ## References - Microsoft KB5074109 (bug): https://support.microsoft.com/topic/january-13-2026-kb5074109 - Microsoft KB5077744 (fix): https://support.microsoft.com/topic/january-17-2026-kb5077744   <details> <summary>Original prompt</summary> > 检查1.2.1到最新版本之间，哪些改动会导致#1056中发生的RDP连接时提示`An authentication error has occurred (Code: 0x80080005).` </details>  --- ✨ Let Copilot coding agent [set things up for you](https://github.com/1Remote/1Remote/issues/new?title=✨+Set+up+Copilot+instructions&body=Configure%20instructions%20for%20this%20repository%20as%20documented%20in%20%5BBest%20practices%20for%20Copilot%20coding%20agent%20in%20your%20repository%5D%28https://gh.io/copilot-coding-agent-tips%29%2E%0A%0A%3COnboard%20this%20repo%3E&assignees=copilot) — coding agent works faster and does higher quality work when set up for your repo. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

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2026-03-01 17:23:37 +03:00

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