Cisco ASA 5520 Site-to-Site VPN TUNNEL keeps disconnecting..

Whatsapp Not Connecting

VPN Troubleshooting
I use only twitter for connecting with social media people No Facebook No What…. Subnet IP Address Range All commands are given using the command line interface. To aid with that project, the WS Wireless Switch enables the administrator to view the statics in a graphical format that is constantly updated. Deletes a proxy server from the list. This enables the roaming the client to start sending and receiving data sooner by not having to do

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Hotspot Shield Free VPN

TrustedNetworkDetection works for both the user and device tunnels. However, the VPN connection is automatically mounted. It should match exactly. In the eventviewer of the client I can see he is contacting the ISP dns servers and not the internal ones.

How can I get this to work? It is not uncommon to see the client try to register with external DNS servers. However, it will register with internal DNS servers too. Have a close look at the event logs both on the client and server. Perhaps they will yield some clue as to why it is failing. I had the issue that the ras service was crashing every reboot. So I updated to Windows 10 and the ras service was not crashing anymore. The checkbox register dns under ipv4 dns settings is checked now with Windows 10 it was not checked.

So if you use device tunnel — I recommend version …. Hopefully an easy resolution. I have joined 2 x Windows 10 VMs both Pro and Ent to the domain, got a computer certificate on them, created the XML and PS1 files, ran the ps1 file, specifying the xml in the command line ran as system using psexec -i -s and the device tunnel shows up connected great result.

I then log out and attempt to log in as any other domain user, and it says the domain is not available, yet as soon as I log in with cached credentials, it comes up connected again. The Device Tunnel does not appear in the UI, so that is normal.

However, it should provide pre-logon connectivity to allow users without cached credentials to authenticate. There were some known issues in v, but those were resolved in Curious…do you see the device tunnel going down when you log off?

If it is established, it should stay up regardless who is logged on, if anyone. I find that there are not many logs for VPN connections. How does troubleshooting work if there are not many logs?

If I use the -AllUserConnection parameter it complains about not being able to find it in the phone book. It does for me. I have to assume that somewhere else they specify the device and not the user URI. It all worked apart from the AllUserConnection setting. In my experience it has been entirely stable. I would like to see if it is possible to have in addition to the tunnel device, the user tunnel on the same laptop.

Can you send me the. Another question, is it mandatory to have the NAP server when mounting a user tunnel based on machine certificates for IKE? I thank you in advance. They are essentially the same as the Microsoft scripts, just modified slightly. I just send my email address in your personal box. If I understand correctly, contrary to Windows , the tunnel device So, can also be installed on the version of Windows 10 pro ?

The device tunnel is supported only on Windows 10 Enterprise edition clients that are joined to a domain. If connected manually, both work perfectly. Provisioning for both is through InTune MDM, using custom profile for device tunnel, and a predefined template for the user tunnel, with our EAP section. All of this works perfectly — once the client attempts to connect. Initially, when testing just the device tunnel with trusted network detection turned on, it connected more reliably, and seemed to be happier to initiate its auto connection.

With the user tunnel though, the device tunnel would disconnect as soon as it connected, presumably due to the trusted network detection.

However, there have been some issues reported when TrustedNetworkDetection is configured on the user tunnel. Is that configured in your deployment? Also, there are numerous issues related to the device tunnel, most of which have been fixed in However, I am still hearing reports and experiencing it myself of issues with unreliable device tunnel connectivity. With that, there may still be some things that are broken with the device tunnel in On user logout, the device tunnel should then reconnect itself quietly.

Checking this seems to make it connect automatically, at least a few times, but then stops doing it reliably if the machine is moved around different networks. Clicking connect works no problem. Thanks for the feedback. Great to understand what others are experiencing. Testing without user tunnel atm. Ok, just making sure. Have a close look at routing tables and metrics. Easy to get tripped up there. Hi Richard, Your advice and write-ups are really great.

I was wondering if you have tested a Device tunnel with Split tunneling disabled, aka ForceTunnel? Typically I deploy the device tunnel for access only to a few restricted machines for the sole purpose of authenticating user logons.

If I understand correctly, the tunnel device is also supported in professional version since Windows 10 ? Register in DNS set on user tunnel, so machine should be reachable.

With device tunnel connected, share access to servers the device tunnel has access to , works properly, no issues at all. With just user tunnel connected, shares do not work. Other internal resources are available, everything is pingable, RDP works, etc.

SMB 3 shares do not work. The smartcard certificate used for authentication has expired. Please contact your system administrator. The attempted logon is invalid. This is either due to a bad username or authentication information. Any thoughts on this? Yes, and the tunnel connects successfully — all other resources work, just not SMB shares…. Why, I have no idea. Must be missing something. And everything other than smb shares works over user tunnel.

Huh, so, progress, but also confusion. Learned a little bit more. Looks like similar issue from the past. Tested what they suggested, removing the cert based credential from credential manager this is the Azure Confitional Access cert , and the shares work perfectly. So Windows appears to be trying to use this cert to authenticate to the SMB shares.

Not sure how to stop it doing that though! If I use the InTune wizard and create a profile there, it does work — correct cert is selected and shares are accessible. Does anyone at MS test this stuff???? Basically, when using Azure Conditional Access with the user tunnel, an ent CA cert needs to be selected based on issuer hash and EKU for use by Kerberos…without this, the Azure CA issued cert will be used, and Kerberos auth will fail with all kinds of funny errors. When capitalization and syntax is not exact, cert selection does not work — the VPN cert is used and Kerberos is broken.

For this reason it was desirable to use a custom XML, but defining the correct cert proved difficult as indicated above. I finally figured out the capitalization by pulling it out of a reg key when using the InTune template. With it ticked, it does connect promptly, but that box seems to get unticked periodially. Anyone know how to programatically set that? What does not, is hibernating a laptop as many of our users routinely do , and resuming on a non-corp connection, or having the machine go to sleep and then wake up on the same connection.

Thinking of adding task scheduler job to add my own connect triggers…. Perhaps run a scheduled task trigger by an event? Yes, the XML file is sometimes sensitive to case. For example, true works, True does not. Sounds like you found another scenario in which case matters. Thanks for sharing that information! Hopefully Microsoft is addressing some of these challenges. Contact your Network Security Administrator about installing a valid certificate in the appropriate Certificate Store.

Have you ever encountered this problem? Hi Richard, great stuff on your site! Do you know of a way to prevent local users access via the device tunnel? Hello Jason Thank you very much for your answer. I have another question. Is it possible from the Windows 10 system to verify the integrity logs of the VPN connection? I tried to implement log tracing when rebooting Windows 10 by following the procedure below: Not sure if that helps you or not.

You can also enable IPsec auditing which might help as well. What is the recommendation on the use of machine certificate, is it recommended to use a private certification authority? You should always use a certificate issued by your internal private CA to ensure only your authorized client devices can connect. The idea is that if the first gateway does not respond, the second gateway is contacted.

I ask this question because in LockDown mode only one profile is allowed. Instead having multiple gateways defined simply allows the user to select a different gateway, if required. Post coming on that soon. The problem we face here is fail-over. As Default, the mobility outage time is minimum set to 30 minutes, which is large time to fail over. Is there any possibility to set the Network outage time as 2 minutes by powershell script? The Purpose for doing the way is because I would like to implement Device Tunnel connection just for accessing active directory and User Tunnel for authenticating with NPS.

Device tunnel and user tunnel are not mutually exclusive. Often the device tunnel is deployed with limited access only to facilitate remote logon without cached credentials. Once the user is authenticated a user tunnel is established that allows more access.

The 1st connection device tunnel works fine thanks to you. Have you tried set up the connection you mentioned above? I was wondering how 2nd connection user tunnel can automatically get triggered after the 1st connection. The two tunnels are completely independent of each other and will use their own logic to determine when to connect, depending on how you configure them.

If not, both tunnels should come up. I have some difficulty understanding the following directive true What exactly is it on the VPN interface?

Can you give me a concrete example because I have trouble understanding the concept. Basically, GPO added vbs and ps1 files, scheduled task calls vbs to call the ps1 to ensure no popup box visible in user session. Ps1 checks to see if any physical adapter is on my corp domain and if NOT and vpn NOT connected, uses rasdial to connect.

The scheduled task has a few triggers, depending on whether the one for device or user tunnels, thinks like logon, resume from sleep, etc.

Those retry every 5 minutes for Also a catch-all that runs every half hr or hr. The scripts all seem to work fairly well, and the device tunnel is now rock solid on reconnecting itself automatically. The problem is with the user tunnel; script logic is all good. The problem is that, specifically with the Azure Conditional Access piece, the way the W10 client works is that it checks to see if there is a valid Azure cert 1 hr validity , and if not, goes out and gets a short lived cert from Azure, which is then presented to my local server infrastructure on the connect.

This is all good. So my logic only works if a manual connect has been done in the last hour and a valid cert is already present. Perhaps someone knows of a way to do it with PowerShell? Is it possible to interconnect the VPN gateway directly to the Active Directory for the account base?

Thank you very much. However, it would require that the RRAS server be joined to the domain. We are testing this and always get error Modem is Already in Use. Would you happen to have any solution. This is on a clean image. Sorry, no idea what could be causing that issue. Hello Terry, strongly agree, the LockDown mode does not cover all situations. All access must be mandatory via a VPN gateway internal or external to corporate.

The intermediate solution that I found is to set the Windows firewall to block all outgoing traffic on public and private profiles except the streams required for the establishment of the VPN tunnel. I thought NPS only applied to user certificates?

Device tunnel machine certificate authentication happens on the VPN server, so that might be more of a challenge. NPS is not involved at all on the device tunnel. The machine certificate used for device tunnel authentication is evaluated on the VPN server only. I found this article really helpful during my initial testing.

When I connect to the internet through a captive portal, it takes over 10 minutes for the device tunnel to come up. Is there some kind of setting that can used to recognize when CP is in effect? Or speed some process for connecting? However, the issue you describe could be unrelated to captive portals. There are numerous reports of tunnel instability, especially when the device tunnel is deployed in conjunction with the user tunnel.

Have you ever noticed the device tunnel not coming up for a period of time when accessing the Internet over a connection that does not use a captive portal? I ask because I see this behavior all the time, even on On my test machine it is not uncommon for the device tunnel not to come up for long periods of time, sometimes up to minutes. It eventually comes up though.

Is there a user tunnel that should be configured after the device tunnel connects? The device tunnel was really designed to support limited network access to support pre-logon connectivity. The main use case is to enable users to logon without cached credentials.

The user tunnel is the primary avenue of access and it supports better authentication protocols than does the device tunnel. Each time I get to entering the data for the new tunnel, powershell ise just exits. No problem creating the. Do you know if there is a way to make the device tunnel show up in this VPN device list? Direct Access has the client connectivity assistant to surface this sort of information in Win7 at least.

Have you encountered this before? No real way to get around that, honestly. Instead of using the subject name, try using the certificate thumbprint instead. I get the rasclient error which translates to IKE failed to find a valid machine certificate.

My client has a client EKU certificate with its hostname as the subject and my RRAS server has machine certificate configured and has a certificate that has server and client authentication EKU issued by the same trusted CA. Also, when you set the root certificate to accept on the RRAS server, did you specify the root certificate not an issuing certificate?

Also, do both server and client have the root and any intermediate certificate installed? But when the device tunnel is setup there is no connection initially between the VPN server and the client. After about 5 minutes while running ping in endless mode i suddenly get a reply. Disconnecting and reconnecting again sometimes also solves the issue. If you are using TrustedNetworkDetection you might try removing that to see if it works any better.

Your best chance of success is using Windows 10 with all the latest updates. Many issues similar to the one you describe have been resolved in the latest release. Thanks for the reply! For a quick explanation of wifi bridging, check out this introduction from Lifewire. Like any other software, your VPN client might crash. VPN providers work with developers to make sure that their software is as stable and effective as possible.

If at all possible, allow automatic updates to your VPN software. Sometimes turning it off and back on again actually does solve the problem. Restart your computer to make sure all updates have been applied and that erroneous processes have been killed off. But that exposes you to more surveillance and security issues. My VPN got connected to my client network but I am not able to open any links there.

What should I do? I have no problem connecting the VPN, I use Windscribe, but it will not connect up to some sites eg Facebook, some news sites and some estate agency sites.

I know these are working as I can access them using a different laptop not connected to vpn. The stranger thing is when I disconnect the vpn I still cannot connect to those same sites again I have checked, using the other laptop, that they are still online.

Your email address will not be published. Skip to content Virtual private networks VPNs have a vast array of benefits, but they can also suffer from some very annoying problems. Change Servers The server you use for your VPN connection can make a big difference to the connection speeds you get. Change Ports The connection between your computer and the VPN server uses a networking port on your computer. Restart Your Computer Sometimes turning it off and back on again actually does solve the problem.

I assume you are using Windscribe free? FortiGate split tunnel configuration with traffic bridged locally and specific subnets routed through wireless tunnel FD - Technical Note: Reloading master controller disables master status on slave controller FD - Technical Note: Restrict sending emails to an alias email account FD - Technical Note: FortiManager reports 'Possible database integrity problem detected during scheduled verification.

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Cannot work with HA master. The system is halted. Cannot log in after upgrading to FortiWeb 4.

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