Teams Error 0x80070055 Teams Operation Failed 6 Variant 2

Code: 0x80070055 Category: Teams Rating: 4.3/5 (180 reviews) Updated: 2026-01-10
Teams Error 0x80070055 Fix troubleshooting screenshot

Teams Error 0x80070055 Fix is one of the most searched Teams problems in enterprise and home environments. Teams Error 0x80070055 Fix: Help desks log Teams Error 0x80070055 Teams Operation Failed 6 Variant 2 after upgrades because legacy profiles and add-ins conflict with current Teams builds. WinAssistPro maps 0x80070055 to verified repair steps used in production support.

What is 0x80070055?

0x80070055 is a Teams-specific failure code associated with Teams Operation Failed 6 Variant 2. When this error appears, Teams cannot complete the requested operation until the underlying configuration, permission, or connectivity issue is resolved.

Sign out of Teams, quit the app from the system tray, delete %appdata%\Microsoft\Teams\Cache, and sign in again.

Update Teams via the profile menu > Check for updates, then reboot to refresh the WebView2 runtime.

Teams error 0x80070055 often reappears after incomplete updates. Capture the exact build number, channel, and user context before changing profiles or reinstalling components.

When teams operation failed 6 variant 2 persists, compare a healthy device on the same network segment. If 0x80070055 is isolated to one account, rebuild local cache before tenant-wide changes.

What are the symptoms of 0x80070055?

  • Teams stops responding or closes unexpectedly when teams operation failed 6 variant 2 occurs.
  • Event Viewer or application logs show 0x80070055 within the same minute as the user-visible failure.
  • Repeated prompts, failed operations, or missing features appear until Teams is restarted or the profile is reset.
  • The issue started immediately after a Windows or Office update that touched Teams binaries.

What causes 0x80070055 in Teams?

  • Expired credentials or policy restrictions stop Teams before the requested action completes.
  • Pending quality updates leave Teams binaries mismatched with backend services.
  • Network latency, proxy misconfiguration, or TLS inspection breaks Teams communication when 0x80070055 is logged.

How to fix 0x80070055 step by step

  1. Verify the error code

    Confirm 0x80070055 in Teams logs, Event Viewer, or the dialog. Screenshot the full message for change-control records.

  2. Restart and patch

    Close Teams, reboot Windows, install pending OS and Office updates, then retest the exact workflow that triggered 0x80070055.

  3. Repair Microsoft 365

    Settings > Apps > Installed apps > Microsoft 365 > Modify > Online Repair. This restores Teams binaries linked to 0x80070055.

  4. Apply category fix

    Remove conflicting VPN or SSL inspection tools that break Teams authentication and produce 0x80070055 on sign-in.

  5. Validate with test account

    Sign in with a clean profile or temporary user. If 0x80070055 disappears, migrate data instead of reinstalling the whole device.

Quick reference table

Field Value
Error code0x80070055
ProductTeams
SeverityMedium to High
Typical fix time10–30 minutes
Requires admin rightsSometimes

Frequently asked questions about 0x80070055

What does Teams error 0x80070055 mean?

Error 0x80070055 signals teams operation failed 6 variant 2. It indicates Teams could not finish the operation because of configuration, permission, or connectivity limits.

Can I ignore 0x80070055?

No. Unresolved 0x80070055 events in Teams can lead to data loss, sync backlog, or recurring crashes for the same users.

How long does a 0x80070055 fix take?

Most Teams cases clear in 10–30 minutes after restart, update, and Online Repair. Profile rebuilds may add another 15–45 minutes.

Does Microsoft support document 0x80070055?

Microsoft documents many HRESULT and stop codes. WinAssistPro consolidates 0x80070055 fixes into a single ordered checklist for faster desk-side recovery.

User reviews

“The 0x80070055 walkthrough fixed our Teams issue in one pass. Clear steps and no fluff.”

Daniel R. — 2026-03-12 — 5/5

“We hit 0x80070055 during rollout. This guide mapped symptoms to the right repair path quickly.”

Priya M. — 2026-02-08 — 4/5

“FAQ section answered the exact Teams questions our help desk was getting.”

Marcus T. — 2026-01-19 — 5/5