How to fix Error 1348 on Windows 11

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Troubleshooting Guide: Error 1348 – “The Validation Information Class Requested Was Invalid”

Why This Error Happens

Error 1348 typically occurs during Active Directory replication or trust validation processes when a Domain Controller cannot process a specific security validation request due to mismatched or outdated directory service schemas. This is often triggered by corrupted Netlogon secure channel data, inconsistent DC replication metadata, or version mismatches between Windows 11 clients and older Domain Controllers. In some cases, it stems from a corrupted local security database (SAM) or damaged Group Policy validation cache.

Step-by-Step Resolution Guide

Step 1: Verify Domain Controller Connectivity and Health

  • Open Command Prompt as Administrator and run nltest /sc_query:yourdomain.com to check the secure channel status.
  • Run dcdiag /v on the Domain Controller to identify replication or validation errors.
  • Check Event Viewer under Windows Logs > System for related Netlogon or Kerberos errors (Event ID 5719 or 40).

Step 2: Reset the Secure Channel and Rejoin the Domain

  • On the affected Windows 11 machine, run nltest /sc_reset:yourdomain.com to reset the secure channel trust.
  • If the reset fails, temporarily remove the machine from the domain (Settings > Accounts > Access work or school), restart, and rejoin the domain.
  • Navigate to C:\Windows\System32\config\netlogon.dns and verify DNS entries are not corrupted.

Step 3: Repair Corrupted Directory Service Files

  • Run sfc /scannow to repair corrupted system files affecting the local SAM database.
  • Run DISM /Online /Cleanup-Image /RestoreHealth to fix underlying Windows component store issues.
  • If on a Domain Controller, use ntdsutil to perform an integrity check: ntdsutil "activate instance ntds" "files" "integrity" quit quit.

Step 4: Update or Patch Domain Controllers

  • Ensure all Domain Controllers are running the latest cumulative updates via Settings > Windows Update.
  • Confirm the Forest and Domain Functional Levels are compatible with Windows 11 clients (Server 2016 or higher recommended).
  • Restart the Netlogon service using net stop netlogon followed by net start netlogon.

Alternative or Verification Steps

  • To verify the fix, run nltest /sc_query:yourdomain.com again and confirm the status returns “The command completed successfully” with no error code.
  • If the issue persists, use the Active Directory Users and Computers (ADUC) console to manually reset the computer account object, then rejoin the domain from a clean boot state.