MR3952

Synology MR3952 VPN Tunnel Error

Synology VPN Tunnel Error MR-Series
85% fix rate

Cause

IPSec ESP packet decryption failure

Fix Steps

  1. Verify VPN server address and port configuration
  2. Check VPN credentials are current and not expired
  3. Ensure correct VPN protocol is selected (IKEv2/IPSec recommended)
  4. Verify firewall rules allow VPN traffic on required ports

Related Errors

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