en[EVENT6105] deauth after EAPOL key exchange sequence

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I am writing about [Event ID 6105] recorded in the event log.

Since the keyword "EAPOL" is recorded in the log, this is an error related to EAP authentication.

message

deauth after EAPOL key exchange sequence
(Deauthentication after EAPOL key exchange sequence)

When I checked,

I found a tip on the Intel® Community Forum.

It was due to a specific driver version of the Intel Wireless 8260/8265 network adapter.

After updating to the latest driver, logging stopped, so I will share the procedure I performed.

Event Log

The event log is reprinted.

Event Log

message	6105-deauth after EAPOL key exchange sequence
log name	system
Source	Netwtw06
Event id	6105
level	warning
user	N /A

Repair method

Update the driver for the Intel Wireless 8260/8265 Network Adapter.

When I opened Device Manager and looked up the information on the network adapter, I got the following information:

• Intel (R) Dual Band Wireless-AC 8260
• Version: 20.60.0.7

I tried to update the driver of the device manager, but it cannot be updated because the current version is judged as the latest version.

I downloaded the latest version from the Intel official website.

Intel official site

The link on the Intel® Community Forum had an outdated driver version, so I searched for the latest driver on the Intel official website.

The latest version at the time of this writing and the corresponding network adapters are:

Direct link: downloadcenter.intel.com
Package Version: 21.20.0

• Intel® Wi-Fi 6 AX201
• Intel® Wi-Fi 6 AX200
• Intel® Wireless-AC 9560
• Intel® Wireless-AC 9461
• Intel® Wireless-AC 9462
• Intel® Wireless-AC 9260
• Intel® Dual Band Wireless-AC 8265 Desktop Kit
• Intel® Dual Band Wireless-AC 8265
• Intel® Dual Band Wireless-AC 3168
• Intel® Dual Band Wireless-AC 8260
• Intel® Dual Band Wireless-AC 3165
• Intel® Dual Band Wireless-AC 7265 (Rev D)
• Intel® Dual Band Wireless-N 7265 (Rev D)
• Intel® Wireless-N 7265 (Rev D)
• Intel® Tri-Band Wireless-AC 17265 
• Intel® Tri-Band Wireless-AC 18260
• Intel® Tri-Band Wireless-AC 18265

Driver details

The file name of the driver downloaded this time is as follows.

• WiFi_21.20.0_Driver64_Win10.zip

You can update the driver by unzipping to a folder of your choice and running DPInst64.exe.

The image below is a snapshot after the update.

The driver package is 21.20.0, but the installed version was 20.70.10.2 (2019/05/12).

Summary

If the following keyword is recorded in the event log, the driver of the network adapter may be wrong.

• Event ID 6105
• Source: Netwtw06
• EAPOL

Device manager

How to start the device manager.

1. Start button: Right click
2. Select Device Manager
3. End of procedure

 External link

• Wireless Networking Forum-Intel® Community Forum
• Download Intel® PROSet /Wireless Software and Drivers for Windows® 10
• IT Administrator Links for Intel® PROSet /Wireless Software
• Download Intel® Wireless Bluetooth® 10 for Windows

Validation: Windows 10 Pro May 2019 Update, v1903.18362.207

：SC2

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