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Troubleshooting Network Protocol Security in Windows Server: IPSec, Policies, and Security Associations
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Topic starter
22/07/2025 7:36 am
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Open Event Viewer → Windows Logs → System/Security
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Look for:
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IPSec Policy Processing errors
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IKE/ISAKMP negotiation failures
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Authentication issues
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🔧 Example Event IDs:
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541: IKE failed to negotiate security settings
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4653: Invalid IPSec policy detected
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5472: Negotiation timed out or failed