4978: During Extended Mode negotiation, IPsec received an invalid negotiation packet.
On this page
I haven't been able to produce this event. Have you? If so, please start a discussion (see above) and post a sample along with any comments you may have! Don't forget to sanitize any private information.
Load Balancing for Windows Event Collection
During Extended Mode negotiation, IPsec received an invalid negotiation packet. If this problem persists, it could indicate a network issue or an attempt to modify or replay this negotiation.
Local Network Address: %1 Remote Network Address: %2
Top 10 Windows Security Events to Monitor
Free Tool for Windows Event Collection
Go To Event ID:
Security Log Quick Reference Chart Download now!