Setting Up IKEv2 VPN Client on Windows 10
Posted by Aidil A. on 29 August 2022 10:06 PM
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Adding NegotiateDH2048_AES256 into Windows registry
By default Windows 7 up to Windows 11 propose only the weak modp1024 Diffie-Hellman key exchange algorithm that has been deprecated by NIST Special Publication 800-57 Part 3 Revision 1 since 2015: ike = 3des-aes128-aes192-aes256-sha1-sha256-sha384-modp1024
Therefore, any attempt connect to IKEv2 VPN server, you will getting You will need to enable the modp2048 Diffie-Hellman group by adding the NegotiateDH2048_AES256 DWORD into the Windows registry using Download following zip file:
NOTE: You do not need to import this file again if you have already imported it, or if you have already upgraded your Diffie-Hellman group to 2048 bits. If already upgraded to 2048 bits or already imported this file, do skip this and proceed to Setting IKEv2 VPN client section. ADMINISTRATOR NOTE: Merging NegotiateDH2048_AES256 into Windows registry will require administrator access privilege. If encounter following message, then you will need switch from current Windows user and login as administrator. Once merged into registry, you may switch back to your own Windows user.
Once downloaded, proceed to extract or decompress it. You should see one (1) Double click on it to automatically merge NegotiateDH2048_AES256 into Windows registry.
Click Yes to continue
Click Ok to close the dialog box
Setting IKEv2 VPN clientOnce NegotiateDH2048_AES256 added into your Windows registry, you are now ready to create a new IKEv2 VPN connection.
VPN information as stated below will be located within activation form email: - VPN Server hostname
Create VPN connection1. Select the Start button, then select
2. In Add a VPN connection, do the following:
3. Click Save. Edit VPN connection properties Once the VPN connection created, open its properties via
3. Select the VPN connection you have created earlier and right-mouse on it to select
4. On 5. Ensure
6. On
You are now ready connect to the IKEv2 VPN server. Select your VPN connection and click on
Connect to a VPN
Once VPN connection no longer needed, select your VPN connection and click on
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