🚀 幾分鐘內修復 Microsoft Teams 授權錯誤 2026 – 證實有效的步驟！

Encountering the dreaded Microsoft Teams "License Error" 2026? 😩 You're not alone. This frustrating issue pops up when Teams detects a licensing mismatch, blocking access to chats, meetings, or calls. But don't worry – we've got your back with a straightforward guide to fix Microsoft Teams license error 2026. Follow these steps, and you'll be collaborating smoothly again in no time. Let's dive in!

🔍 Common Causes of Microsoft Teams License Error 2026

Understanding the root cause speeds up your fix. Here's what typically triggers this error in the latest Teams versions:

• Expired or unassigned license: Your admin hasn't allocated a valid Teams license to your account.
• Sign-in glitches: Cached credentials conflict with current licensing.
• Subscription changes: Recent plan upgrades/downgrades not synced properly.
• App version mismatch: Outdated Teams client vs. server-side licenses.
• Organizational policies: Group policies or conditional access blocking access.

Pro tip: Check your license status first – it reveals 80% of issues instantly. Keep reading for actionable fixes! 👍

🛠️ Step-by-Step: How to Fix Microsoft Teams "License Error" 2026

Start with the quickest wins. These methods work for most users on desktop, web, or mobile.

1️⃣ Quick Sign-Out and Restart (2-Minute Fix)

1. Open Microsoft Teams and click your profile picture (top right).
2. Select Sign out.
3. Close Teams completely (use Task Manager on Windows: Ctrl+Shift+Esc > End task).
4. Reopen Teams and sign in with your work/school account.
5. Test: Join a meeting or channel.

If it persists, move to the next step. You're already halfway there!

2️⃣ Clear Teams Cache (Resets Glitches)

Corrupted cache is a sneaky culprit. Here's how to wipe it:

3️⃣ Verify and Reassign License (Admin-Level Fix)

If you're an admin or can contact one:

1. Go to Microsoft 365 Admin Center.
2. Users > Active users > Select your user.
3. Licenses and apps tab > Check Microsoft Teams license (e.g., Teams Essentials, E3/E5).
4. Assign/renew if needed > Save > Wait 5-10 mins for sync.

Common licenses for Teams:

4️⃣ 將 Teams 更新到最新版本

過時的應用會導致同步問題。請從微軟網站下載最新版本的 Teams。自動更新預設開啟，但手動檢查可確保您的版本與 2026 年的更新版本相容。

5️⃣ 高級：透過 PowerShell 重置 Teams

針對頑固案例（僅限 PowerShell 高手）：

Set-ExecutionPolicy RemoteSigned -Scope CurrentUser
teams.exe --reset --full-reset

然後從官方網站重新安裝。

🚀 預防未來團隊許可證錯誤的小貼士

• ⭐ 在 Teams 設定中啟用自動更新。
• 每月透過管理中心監控許可證。
• 使用隱身模式進行快速測試。
• 在進行重大更改之前備份您的聊天記錄（匯出功能）。

額外提示：如果在公司網路中，請 ping 一下你的 IT 團隊－VPN/代理問題會放大錯誤。

仍然遇到問題？下一步該怎麼做？

如果以上方法都無效，請透過Teams 協助（設定 > 說明和回饋）提交工單，或造訪 Microsoft 支援論壇。如有顯示錯誤代碼，請提供相關資訊（例如，AADSTSxxxx）。

恭喜！ 🎉 您已掌握如何修復 Microsoft Teams 2026 版「授權錯誤」。與同事分享本指南，重拾高效率工作。如有任何疑問，請在下方留言—祝您團隊協作愉快！ 👏