⚠️ 2 verified solutions available for Error 9104 — Last updated 2026-03-08
Error 9104 📋

Fix DNS_ERROR_NOT_ENOUGH_SIGNING_KEY_DESCRIPTORS — Windows Error Code 9104

Error 9104 (DNS_ERROR_NOT_ENOUGH_SIGNING_KEY_DESCRIPTORS) is a Windows Cluster & Storage error that occurs when the zone does not have enough signing keys. there must be at least one key signing key (ksk) and at least one zone signing key (zsk).. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 9104 📛 DNS_ERROR_NOT_ENOUGH_SIGNING_KEY_DESCRIPTORS 📅 Updated: 2026-03-08 ⏱️ 2 Solutions
⚡ Quick Fix

Check Cluster Health: Open PowerShell as Administrator

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🐞 Auto-Fix Script for Error 9104
⚠️ How to use: Open PowerShell as Administrator, paste the code above, and press Enter.
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📑 Table of Contents
What is Error 9104? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 9104?

Windows System Error Code 9104, known as DNS_ERROR_NOT_ENOUGH_SIGNING_KEY_DESCRIPTORS, is a Cluster & Storage error that occurs during cluster, backup, and storage management. The error indicates that: The zone does not have enough signing keys. There must be at least one key signing key (KSK) and at least one zone signing key (ZSK). When this error is encountered, the Windows operating system was unable to complete the requested operation within the storage/cluster services subsystem. The error code 9104 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name DNS_ERROR_NOT_ENOUGH_SIGNING_KEY_DESCRIPTORS 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 cluster, backup, and storage management is essential for effective troubleshooting.

⚠️ Common Causes

  • System resource conflict: The zone does not have enough signing keys. There must be at least one key signing key (KSK) and at least one zone signing key (ZSK).
  • Quorum lost due to node failure
  • Storage paths disconnected
  • Cluster service dependency failure
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✅ Step-by-Step Solutions

1 Check Cluster Health
  1. Open PowerShell as Administrator
  2. Run: Get-ClusterNode to check node status
  3. Run: Test-Cluster for full validation
  4. Review the HTML report for issues
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Show Advanced Solutions (1 more)
2 Advanced Diagnostic for DNS_ERROR_NOT_ENOUGH_SIGNING_KEY_DESCRIPTORS
  1. Open Windows Event Viewer (eventvwr.msc)
  2. Navigate to Windows Logs → System to find Event ID 9104
  3. Look for associated warnings that occurred immediately before the system crashed
  4. Right-click the entry and export the log file for further analysis

🎬 Video Tutorials

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How to fix Error 9104 (Dns Not Enough Signing Key Descriptors)
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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 "*9104*" -or $_.Message -like "*DNS_ERROR_NOT_ENOUGH_SIGNING_KEY_DESCRIPTORS*"} | Format-List

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

🛡️ Prevention Tips

  • Configure redundant storage paths (MPIO)
  • Validate cluster after updates
  • Monitor disk latency and capacity
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Last updated: 2026-03-08
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Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-08.
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