Event ID - 5453

Event Id	5453
Source	Microsoft-Windows-Security-Auditing
Description	An IPsec negotiation with a remote computer failed because the IKE and AuthIP IPsec Keying Modules (IKEEXT) service is not started.
Event Information	According to Microsoft : Cause : This event is logged when An IPsec negotiation with a remote computer failed because the IKE and AuthIP IPsec Keying Modules (IKEEXT) service is not started. Resolution : Restart the service Windows logs an error if the IKE and AuthIP IPsec Keying Modules service or its driver fails to start, or if they unexpectedly terminate. To restart the IKE and AuthIP IPsec Keying Modules service: Note To perform this procedure, you must have membership in the local Administrators group, or you must have been delegated the appropriate authority. Restart the service. You can do this from a command prompt or from the Services Microsoft Management Console (MMC) snap-in. Do either of the following: Start an administrative command prompt. Click Start click All Programs, click Accessories , right-click Command Prompt , and then click Run as administrator . At that command prompt, run the command net start ikeext. Click Start , type services.msc in the Start Search box, and then press ENTER. In the Name column of the Services snap-in, right-click IKE and AuthIP IPsec Keying Modules, and then click Start If the attempt to restart the service fails, then restart the computer. This forces all related and dependent services to restart. If the error persists after the computer restarts, then the executable files for the driver or service might be corrupted, and the operating system must be reinstalled.
Reference Links	Event ID 5453 from Source Security

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