Server configuration : Use the drop-down to select a server configuration to associate with this Site. Every five minutes, each server that's assigned to this site will attempt to access the URL to confirm that it can access your internal network.
Servers report the status of this check as Internal network accessibility on the servers Health check tab. Automatically upgrade servers at this site : If Yes , servers upgrade automatically when an upgrade is available. If No , upgrade is manual and an administrator must approve an upgrade before it can start. For more information, see Upgrade Microsoft Tunnel.
Limit server upgrades to maintenance window : If Yes , server upgrades for this site can only start between the start time and end time specified. There must be at least an hour between the start time and end time. When set to No , there's no maintenance window and upgrades start as soon as possible depending on how Automatically upgrade servers at this site is configured. Before installing Microsoft Tunnel Gateway on a Linux server, configure your tenant with at least one Server configuration , and then create a Site.
Download the tool directly by using a web browser. Use a Linux command to get the readiness tool directly. To start the server installation, run the script as root. The script always installs the most recent version of Microsoft Tunnel. For the U.
If you stop the installation and script, you can restart it by running the command line again. Installation continues from where you left off. When you start the script, it downloads container images from Microsoft Tunnel Gateway container images from the Intune service, and creates necessary folders and files on the server. The script displays the correct location to use on the Linux server. The TLS certificate secures the connection between the devices that use the tunnel and the Tunnel Gateway endpoint.
The private key will remain available on the machine where you create the certificate signing request for the TLS certificate. This file must be exported with a name of site.
Install the TLS certificate and private key. Use the following guidance that matches your file format:.
The full chain root, intermediate, end-entity must be in a single file named site. If your using a certificate issued by a public provider like Digicert, you have the option of downloading the complete chain as a single. The private key file name must be site. The user account must have either the Intune Administrator or Global Administrator roles assigned.
The account you use to complete the authentication must have an Intune license. The credentials of this account aren't saved and are only used for initial sign-in to Azure Active Directory. After Microsoft Tunnel Gateway registers with Intune, the script gets information about your Sites and Server configurations from Intune.
The script presents you with a list of your available sites. After you select a Site, setup pulls the Server configuration for that Site from Intune and applies it to your new server to complete the Microsoft Tunnel installation.
After the installation script finishes, you can navigate in Microsoft Endpoint Manager admin center to the Microsoft Tunnel Gateway tab to view high-level status for the tunnel.
In the next step you have to specify more precisely which scenario you want to set up. For me personally, the best thing about SSTP is that it works everywhere. The disadvantage is that I need a valid certificate from a trusted CA with a public revocation list. This rules out most internal certification authorities, because they do not have public spear lists. Alternatively, a regkey can be set in the client so that this is ignored.
SSTP is also only supported by Microsoft operating systems. L2TP is compatible with most devices, depending on the configuration. But in this configuration is the tricky part. The wizard initially created 2 ports for each protocol, except for PPPoE, which only has one. Depending on the selection of protocols and the expected connections, I would disable unused ports or add new ones. With Windows Server , the number of standard ports has been significantly reduced; with previous versions, up to ports were created.
For the protocols I do need, I leave the number of ports at 2, which is enough for me. The clients that connect remotely need a private IP address.
The DHCP server in the network can be used for this, or a static range can be assigned. Solution : Configure the VPN client and the VPN server in conjunction with a remote access policy to use at least one common encryption method. For more information about how to configure encryption, see the Windows Server Help and Support Center.
Cause : The VPN connection doesn't have the appropriate permissions through dial-in properties of the user account and remote access policies. Solution : Verify that the VPN connection has the appropriate permissions through dial-in properties of the user account and remote access policies. For the connection to be established, the settings of the connection attempt must:. For more information about an introduction to remote access policies, and how to accept a connection attempt, see the Windows Server Help and Support Center.
Cause : The settings of the remote access policy profile are in conflict with properties of the VPN server. The properties of the remote access policy profile and the properties of the VPN server both contain settings for:. If the settings of the profile of the matching remote access policy are in conflict with the settings of the VPN server, the connection attempt is rejected.
Solution : Verify that the settings of the remote access policy profile aren't in conflict with properties of the VPN server. Cause : The answering router can't validate the credentials of the calling router user name, password, and domain name. Solution : Verify that the credentials of the VPN client user name, password, and domain name are correct and can be validated by the VPN server. Solution : If the VPN server is configured with a static IP address pool, verify that there are enough addresses in the pool.
If all of the addresses in the static pool have been allocated to connected VPN clients, the VPN server can't allocate an IP address, and the connection attempt is rejected.
If all of the addresses in the static pool have been allocated, modify the pool. Solution : Verify the configuration of the authentication provider. Solution : For a VPN server that is a member server in a mixed-mode or native-mode Windows Server domain that is configured for Windows Server authentication, verify that:.
If not, create the group and set the group type to Security and the group scope to Domain local. You can use the netsh ras show registeredserver command to view the current registration.
You can use the netsh ras add registeredserver command to register the server in a specified domain. To immediately effect this change, restart the VPN server computer.
For more information about how to add a group, how to verify permissions for the RAS and IAS security group, and about netsh commands for remote access, see the Windows Server Help and Support Center.
If not, type the following command at a command prompt on a domain controller computer, and then restart the domain controller computer:. For more information about Windows NT 4. For more information about how to add a packet filter, see the Windows Server Help and Support Center. Cause : The appropriate demand-dial interface hasn't been added to the protocol being routed. Solution : Add the appropriate demand-dial interface to the protocol being routed.
For more information about how to add a routing interface, see the Windows Server Help and Support Center. Cause : There are no routes on both sides of the router-to-router VPN connection that support the two-way exchange of traffic. Create routes on both sides of the router-to-router VPN connection so that traffic can be routed to and from the other side of the router-to-router VPN connection. You can manually add static routes to the routing table, or you can add static routes through routing protocols.
For more information about how to add an IP routing protocol, how to add a static route, and how to perform auto-static updates, see Windows Server online Help.
Cause : A two-way initiated, the answering router as a remote access connection is interpreting router-to-router VPN connection. Solution : If the user name in the credentials of the calling router appears under Dial-In Clients in Routing and Remote Access, the answering router may interpret the calling router as a remote access client. Verify that the user name in the credentials of the calling router matches the name of a demand-dial interface on the answering router.
If the incoming caller is a router, the port on which the call was received shows a status of Active and the corresponding demand-dial interface is in a Connected state. For more information about how to check the status of the port on the answering router, and how to check the status of the demand-dial interface, see Windows Server online Help.
Cause : Packet filters on the demand-dial interfaces of the calling router and answering router are preventing the flow of traffic. Solution : Verify that there are no packet filters on the demand-dial interfaces of the calling router and answering router that prevent the sending or receiving of traffic. For more information about how to manage packet filters, see Windows Server online Help.
Cause : Packet filters on the remote access policy profile are preventing the flow of IP traffic.
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