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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 7:37 am
Use PowerShell or command line to verify:
Get-NetIPsecMainModeSA Get-NetIPsecQuickModeSA
You should see an active SA (Security Association) with:
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Local and remote IP
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Auth method (Kerberos, Cert, PSK)
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Encryption method (AES, 3DES)
If nothing appears, the negotiation failed.