⚠️ 1 verified solutions available for Error 8607 — Last updated 2026-03-13
Error 8607 📋

Fix ERROR_DS_GROUP_CONVERSION_ERROR — Windows Error Code 8607

Error 8607 (ERROR_DS_GROUP_CONVERSION_ERROR) is a Windows Active Directory error that occurs when the group cannot be converted due to attribute restrictions on the requested group type.. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 8607 📛 ERROR_DS_GROUP_CONVERSION_ERROR 📅 Updated: 2026-03-13 ⏱️ 1 Solutions

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⚡ Quick Fix

Rejoin the Domain: Open System Properties → Change → set to Workgroup → OK → Restart

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📑 Table of Contents
What is Error 8607? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 8607?

Windows System Error Code 8607, known as ERROR_DS_GROUP_CONVERSION_ERROR, is a Active Directory error that occurs during Active Directory and directory services. The error indicates that: The group cannot be converted due to attribute restrictions on the requested group type. When this error is encountered, the Windows operating system was unable to complete the requested operation within the directory services subsystem. The error code 8607 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name ERROR_DS_GROUP_CONVERSION_ERROR maps directly to this numeric code and is commonly referenced in Microsoft documentation, developer forums, and system logs. Understanding this error and its context within Active Directory and directory services is essential for effective troubleshooting.

⚠️ Common Causes

  • Computer lost domain trust
  • Time sync beyond Kerberos limit
  • DNS preventing DC discovery
  • Account locked or disabled
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✅ Step-by-Step Solutions

1 Rejoin the Domain
  1. Open System Properties → Change → set to Workgroup → OK → Restart
  2. Then change back to Domain → enter domain name → OK → Restart
  3. This re-establishes the trust relationship

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💻 Diagnostic Command

Run this PowerShell command to find related events in your system log:

Get-EventLog -LogName System -Newest 20 | Where-Object {$_.Message -like "*8607*" -or $_.Message -like "*ERROR_DS_GROUP_CONVERSION_ERROR*"} | Format-List

💡 Open PowerShell as Administrator, paste the command above, and press Enter.

🛡️ Prevention Tips

  • Ensure reliable NTP sources
  • Monitor DC health with dcdiag
  • Use redundant DNS servers
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Last updated: 2026-03-13
📖
Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-13.
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