I have the following message in my event log that I can’t seem to figure out. This occurred after turning on IPSec.
I realize what it means, but I can’t seem to resolve the situation. I only get this message concerning 1 PC on the network, the rest are fine:
IKE security association establishment failed because peer
sent invalid proposal.
Mode:
Key Exchange Mode (Main Mode)
Filter:
Source IP Address 192.168.0.20
Source IP Address Mask 255.255.255.255
Destination IP Address 192.168.0.10
Destination IP Address Mask 255.255.255.255
Protocol 0
Source Port 0
Destination Port 0
IKE Local Addr 192.168.0.20
IKE Peer Addr 192.168.0.10
IKE Source Port 500
IKE Destination Port 500
Peer Private Addr
Attribute:
Authentication Method
Expected value:
RSA Signature with Certificates
Received value:
Kerberos (GSSAPI)
