Logon Logoff Event: 4977

Active Directory Auditing Tool

The Who, Where and When information is very important for an administrator to have complete knowledge of all activities that occur on his Active Directory. This helps him identify any desired / undesired activity happening. ADAudit Plus assists an administrator with this information in the form of reports. In real-time, ensure critical resources in the network like the Domain Controllers are audited, monitored and reported with the entire information on AD objects - Users, Groups, GPO, Computer, OU, DNS, AD Schema and Configuration changes with 200+ detailed event specific GUI reports and email alerts.

Account Management » Logon Logoff Event: 4977

Event ID 4977 – During Quick Mode negotiation, IPsec received an invalid negotiation packet.

Event ID 4977
Category Logon/Logoff
Sub-Category Audit IPsec Quick Mode
Description During a Quick Mode negotiation, IPsec received an invalid negotiation packet.

If IPsec receives an invalid negotiation packet during Quick Mode negotiation, event 4977 is generated. If there is a repetition of this problem, it could indicate either a network issue or an attempt to modify and replay the negotiation.

Example of 4977 log:

During Quick 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

Keying Module Name: %3

Why does event ID 4977 need to be monitored?

Security events which fall under the Audit IPsec Quick Mode subcategory are monitored primarily for IPsec Quick Mode troubleshooting.

Pro Tip:

With in-depth reports, real-time alerts, and graphical displays, ADAudit Plus tracks all IPsec negotiations, helping you meet your security, operational, and compliance needs with absolute ease.

Event 4977 applies to the following operating systems:

  • Windows 10
  • Windows Server 2016

Explore Active Directory auditing and reporting with ADAudit Plus.

  • Enter your email id
    Please enter a valid email id
  • Enter your phone number
  • Select demo date
  •  
  • By clicking 'Schedule a personalized demo', you agree to processing of personal data according to the Privacy Policy. You can unsubscribe from our mails at anytime.
Account Management Auditing
Active Directory Auditing
Windows Server Auditing