Flush DNS and Switch Servers: Open Command Prompt as Administrator
👇 See all 2 solutions below
What is Error 5904?
Windows System Error Code 5904, known as ERROR_CLUSTER_OLD_VERSION, is a DNS & WINS error that occurs during DNS resolution and WINS name resolution. The error indicates that: One or more nodes in the cluster are running a version of Windows that does not support this operation. When this error is encountered, the Windows operating system was unable to complete the requested operation within the DNS/WINS services subsystem. The error code 5904 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_CLUSTER_OLD_VERSION 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 DNS resolution and WINS name resolution is essential for effective troubleshooting.
Common Causes
- System resource conflict: One or more nodes in the cluster are running a version of Windows that does not support this operation.
- DNS server misconfigured
- Stale DNS cache entries
- Hostname cannot be resolved
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Read the full guide →Step-by-Step Solutions
- Open Command Prompt as Administrator
- Run: ipconfig /flushdns
- Change DNS to Google (8.8.8.8) or Cloudflare (1.1.1.1)
- Run: ipconfig /registerdns
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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 "*5904*" -or $_.Message -like "*ERROR_CLUSTER_OLD_VERSION*"} | Format-List
💡 Open PowerShell as Administrator, paste the command above, and press Enter.
Prevention Tips
- Use reliable DNS (8.8.8.8 or 1.1.1.1)
- Flush DNS cache periodically
- Monitor DNS resolution performance