Users can access NetExtender in two ways: •. Firefox Browser. Logging in to the Virtual Office web portal provided by the SonicWALL security appliance and then clicking on the NetExtender button. In the little bit of sleuthing I did before I made this post I did see that there were some problems with ISPs ( SSL-VPN (NetExtender) suddenly stopped working for some people with "server is not reachable" : sonicwall (reddit.com) related to this issue so I'm thinking it's very much possible the slow speed could be a factor. This device was working for a year now. The log file located at C:\Program files\SonicWALL\SRA\NetExtender.dbg. Verify your account to enable IT peers to see that you are a professional. 1. Otherwise, you can try to use 444 as the SSLVPN port and check if that solves the problem. SonicWall NetExtender is a software application that enables remote users to securely connect to the remote network. We are using the latest version of Netextender - checked the server IP by doing a Whatismyip and then used that with :4433 and LocalDomain but keep getting the server is not reachable - have rechecked settings - not sure what else to look at. A tech came out and replaced the box. The port number information can be reviewed by right-click and selecting Properties. •. The server may be down or your internet settings may be down." The NetExtender login page looks like this after I enter in my information: Server: 111.11.11.111:443 ; Username: bobdole ; Password: ***** Domain: LocalDomain This issue can also be caused by the user not having a working internet connection. Windows memory dump file located at C:\Windows\MEMORY.DMP . Users can mount network drives, upload and download files, and access resources in the same way as if they were on the local network. Now though, the VPN has stopped working. SSL-VPN (NetExtender) suddenly stopped working for some people with "server is not reachable" . I am using windows8, NetExtender Service Version is: 6.0.181 NetExtender Agent Version is: 1.0.53. Check if there is another dial-up connection in use, if so, disconnected the connection and reboot the machine and connect NetExtender again. The sonicwall VPN is configured to issue an address between 192.168.1.70 & 192.168.1.80 to clients. We were trying into set up a SSL VPN on a TZ215 Sonicwall - which we have done before for other customers but we keep getting Server is not reachable on this one. Navigate to Device Manager and check if the Dell SonicWALL SRA NetExtender Adapter has been installed successfully. Sometimes, these custom ports are blocked by ISP. No matter what I put in I get: "Error: The server is not reachable. This person is a verified professional. We setup HTTPS on user login on Sonicwall; turned on WAN on SSL-VPN, using port 4433; using ten IP's not used on network; used Default DNS . Launching the standalone NetExtender client. NetExtender: Service not responding. If not, delete the adapter from the device list, reboot the machine and install NetExtender again. Verify there are no typos and all these fields are correct. The certificate will then open to the General tab. I cannot connect with NetExtender. Start the service by clicking 'start' on the left hand side. The server may be down or your internet settings may be down. Also, make sure that the SSL-VPN port number (4433) is included along with the IP address as the Server when connecting via the NetExtender client. I have a TZ 470 with 7 gen. The server is not reachable. The problem is the NetExtender client is installed without the 'default server' or 'default domain' values as its deployed silently via msiexec. 2) You said your boss confirmed "the server" is not down. •. The server may be down or your internet settings may be down. Navigate to SSL-VPN | Server Settings by selecting WAN (or the appropriate zone). The server may be down or your internet settings may be down." after trying to connect to our LAN through our SonicWall SSL-VPN 200 device. in your setup on the SRA or SonicWall firewall make sure that you have the correct domain name listed under the client settings. 5. We setup HTTPS on user login on Sonicwall; turned on WAN on SSL-VPN, using port 4433; using ten IP's not used on network; used Default DNS . Make sure that the NetExtender client is upto date and also please try a restart of the workstation having this issue. To configure these settings, click on SSL VPN on the settings page and go to WAN, changing it from red to green to show it is now active. First. 1. by Ccannedy. I was able to connect to my von server a few weeks past but now when I try either necli or negui I get the message that the server is un reachable. Launching the standalone NetExtender client. The sonicwall has no DHCP or DNS services enabled, it just sends its traffic to our Windows server that runs DHCP and DNS on 192.168.1.XXX. Make sure that the NetExtender client is upto date and also please try a restart of the workstation having this issue. Windows Key+R and nps.msc, Administrative Tools in Control Panel or server Tools on the Server Manager. No matter what I put in I get: "Error: The server is not reachable. The server may be down or your internet settings may be down." The NetExtender login page looks like this after I enter in my information: Server: 111.11.11.111:443 ; Username: bobdole ; Password: ***** Domain: LocalDomain She told me she was on the internet as she was able to open cnn.com. The below error message is displayed by the NetExtender client as the reason:The server is not reachable. 2. Now all SSL VPN configurations will be enabled on this particular zone. The most common cause of Server Time out or Communication errors may be related to improper port numbers and/or IP address of the SonicWall firewall. 1) In case it's not a typo- It's NetExtender, not NetExtension. Given the way you worded this, I think there is a high degree of likelihood that you and he may not be talking about the same thing. Go to Network connections to check if the SonicWALL SSL-VPN NetExtender Dialup entry has been created, if not, reboot the machine and install NetExtender again. Also, make sure that the SSL-VPN port number (4433) is included along with the IP address as the Server when connecting via the NetExtender client. The NetExtender standalone client is installed the first time you launch NetExtender. In the little bit of sleuthing I did before I made this post I did see that there were some problems with ISPs ( SSL-VPN (NetExtender) suddenly stopped working for some people with "server is not reachable" : sonicwall (reddit.com) related to this issue so I'm thinking it's very much possible the slow speed could be a factor. Logging in to the Virtual Office web portal provided by the SonicWALL security appliance and then clicking on the NetExtender button. With NetExtender, remote users can virtually join the remote network. About 1/3 of SSL-VPN users get hung up on "preparing" to connect and then get the error "Server is not reachable" Other 2/3 of people have no problems. Ours was because we're using Azure . Select Complete Memory Dump , Kernel Memory Dump or Small Memory . Windows memory dump file located at C:\Windows\MEMORY.DMP . Right click on the Lock and select on the arrow then More Information as shown below. Description. Our Domain IP is 192.168.xxx.xxx Once the Laptop is connected to the domain using NetExtender, Net Extender receives a DHCP address from our domain 192.168.xxx.xxx and the NetExtender recognizes the DNS server as . Also, make sure that the SSL VPN port number (4433) is included along with the IP address as the Server when connecting via the NetExtender client. Here's how the NetExtender app was previously used to connect: Users can access NetExtender in two ways: •. Verify they can bring up a couple web sites. If you can not find this file, then you will need to open System Properties, click the Startup and Recovery Settings button under the Advanced tab. 2. If you can not find this file, then you will need to open System Properties, click the Startup and Recovery Settings button under the Advanced tab. We were trying into set up a SSL VPN on a TZ215 Sonicwall - which we have done before for other customers but we keep getting Server is not reachable on this one. Table 28: NetExtender Connection Entry Cannot Be Created: : Problem Solution NetExtender connection entry cannot be created. Local devices are given address on this 192.168.1.100+ pool. This issue can be caused by the user typing incorrect server name, username, password or domain. SonicWall VPN - Server is not reachable. I cannot connect with NetExtender. Make sure that the NetExtender client is upto date and also please try a restart of the workstation having this issue. SonicWall VPN - Server is not reachable. Navigate to SSL VPN | Server Settings by selecting WAN (or the appropriate zone). 29 out of 53 found this helpful. If this is occurring for multiple users, I would suggest doing a packet capture on the firewall and checking if TCP 4433 traffic is reaching the firewall or not. When connecting to the SonicWall NetExtender VPN, users may be get one of the following errors: The sever is not reachable.The server may be down or your Internet settings may be down. Navigate to SSL-VPN | Server Settings by selecting WAN (or the appropriate zone). It will not work if it is not typed in using the right case in the netextender connection window. We use Sonicwall VPN (SMA v500) and NetExtender for the client and had similiar issue. From here, click add. Select Complete Memory Dump , Kernel Memory Dump or Small Memory . The NetExtender standalone client is installed the first time you launch NetExtender. User Configuration Tasks. Both are the TZ100 models, well one is a TZ100W. SSL-VPN (NetExtender) suddenly stopped working for some people with "server is not reachable" Suddenly started happening today. The client PCs can no longer connect over the VPN- the NetExtender app pops up with the message: Error: The server is not reachable. Shipra Sahu Technical Support Advisor, Premier Services MartinMP Newbie May 18 shiprasahu93 May 18, 2021 Hello @MartinMP, Welcome to the SonicWall community. The server may be down or your Internet settings may be down. We did advise the . The log file located at C:\Program files\SonicWALL\SRA\NetExtender.dbg. Select F12 on the keyboard after login to the SonicWall, select on the Security and View certificate button. Search for and open "Services". To install and launch NetExtender for the first time using the Internet Explorer browser, perform the following: Navigate to the IP address of the firewall. MacOS 10.12 is not supported on our new firewall program as Apple has gotten rid of support for RC4 ssl ciphers. Thanks! Click the link at the bottom of the Login page that says "Click here for sslvpn login.". Sonicwall netextender not able to connect anymore on an old Windows XP Laptop. I do have a backup I configured that has been doing the same thing every since was configured a month ago. Click the NetExtender button. Select on the View Certificate button then Details tab click Export and save to a . Had some Sonicwall issues recently and had to upgrade the firmware on 2 we have. "server is not reachable; the server may be down or your internet settings may be down". Tiffany MacBruce - July 21, 2021 01:12. on . Occasionally, the users can connect to the server through Remote Desktop Connection by using the Server Name but not consistently. SSL-VPN (NetExtender) suddenly stopped working for some people with "server is not reachable" Close. Was this article helpful? We did advise the . New laptop won't connect to Sonicwall NetExtender. this is crucial and it is CASE SENSITIVE. Using the SonicWall Mobile Connect app to connect errors with "Can't connect to." "The specified port is already open." Using the most recent NetExtender 8.0.241 from mysonicwall, it asked me to accept the certificate, to which I selected "Always Trust" , and then it says "The server is not reachable. I tried including the following script to add a reg string which should set the default vpn profile but it's not working. Hi to everyone, I m having this issue since yesterday and I dont know why, it was working perfectly this monday. Posted by 2 years ago. Look for "SonicWALL NetExtender Service". Jun 18, 2014 at 10:40 AM. A second window will appear where you now have the option to add your range for SSL VPN. Most Likely To Device Manager and examine if SSL-VPN NetExtender Adapter has been installed efficiently, If not, erase adapter from device listing, reboot machine and install NetExtender once again. Using the SonicWall Mobile Connect app to connect errors with "Can't connect to." "The specified port is already open." 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