Error 691 Remote Connection Denied Windows 7
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comment Whenever a VPN Error occurs, it is normally a problem with the connections settings. The Error 691 is a Dial-Up error that error 691 the remote connection was denied windows 8 will occur even when the connection you have is not Dial-Up. This error 691 the remote connection was denied because the user has to do with the way the Network Layer of the OSI model works, which is that it error 691 windows 7 will use what is not broken. Since the error is caused by the same reason, the Network Layer will throw this Dial Up error even though the connection is not error 691 windows 7 broadband a Dial Up connection specifically. The Error 691 occurs when the settings are incorrect on one of the devices (client or the server) and it cannot ensure authenticity of the connection. The most common cause is an incorrect username or password, it may also be the case if you are using a Public VPN and your access has been revoked, you're attempting
Error 691 Vpn
to login to the VPN with a domain that isn't allowed, or domains are not allowed at all, OR the security protocols needed for the handshake do not match. The error will occur on whatever device is attempting to connect to the VPN Server. Error: 691: The remote connection was denied because the user name and password combination you provided is not recognized, or the selected authentication protocol you selected is not permitted on the remote access server. Method 1: Allow Microsoft CHAP Version 2 Additionally, because this is an error with the VPN connection you may need to change the VPN properties in order to gain access. While changing the authentication level and encryption settings may help with the receiving end of the VPN connection, the problem may also be with the sending of the connection, which is why you might need to change the protocol for the VPN to connect with the VPN differently. Hold the Windows Key and Press R. Type ncpa.cpl and Click OK. Right Click your VPN Connection and choose Properties. Go to the Security Tab, and put a check on the f
user name and password combination you provided is not recognized, or the selected authentication protocol is not permitted on the remote access server. This worked fine
Error 691 Windows 8
when connecting from Windows XP and Windows 7, but suddenly stopped working when error 691 windows 10 connecting from Windows 8 and 8.1. Why? Read on for the details, or Click Here to skip the geeky error 691 vpn windows 7 analysis stuff and jump to the answer. Click Here for Press Release Sniffing the glue that holds the internet togetherThat tag line used to be on the Ethereal download page, https://appuals.com/vpn-error-691-on-windows-78-and-10/ which is now called wireshark. Wireshark is a network sniffer - it captures the data flowing across a network and interprets it into easier to read geek speak instead of hard to read network bits. Normal people plug things in and expect them to work. Engineering geeks like analyzing why things don't work and figuring out how to make them work. Fortunately for my http://dascomputerconsultants.com/VPNErrorAnalysis.htm clients, I'm the latter. Here is the error screen caught with a camera phone: If you have a propeller hat, now is the time to put it on and get the propeller spinning full speed! How it used to workSince it works on other systems, the short distance to diagnosing the problem is often comparing what system "Works Great!" does with system "It Doesn't *&*!@#-ing Work", finding where they diverge, and using that as a pointer to further analysis. So rather than analyze one then the other, I think it will make more sense to compare them side by side. That isn't an eye chart - it is a thumbnail. Click on it and look at it full screen or scroll around while you read the analysis. The left side is the sniff that fails, the right side works. The first three packets up top on each trace are the SYN / SYN-ACK/ ACK of a TCP session establishing - 51,52,53 on the left, 30,31,32 on the right. The two traces are mostly the same, up till the highlighted in yellow on both sides. When two systems are
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack http://serverfault.com/questions/217030/cannot-connect-to-a-vpn-server-authentication-failed-with-error-code-691 Overflow the company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Cannot connect to a error 691 VPN server - authentication failed with error code 691 up vote 2 down vote favorite 1 When trying to connect to a VPN server, I get the 691 error code on the client, which say: Error Description: 691: The remote connection was denied because the user name and password combination you provided is not recognized, or the selected authentication protocol is not permitted on the remote access server. I validated that the error 691 windows username and password are correct. I also installed a certification to use with the IKEv2 security type. I also validated that the VPN server support security method. But I cannot login. In the server log I get this log: Network Policy Server denied access to a user. The user DomainName\UserName connected from IP address but failed an authentication attempt due to the following reason: The remote connection was denied because the user name and password combination you provided is not recognized, or the selected authentication protocol is not permitted on the remote access server. Any idea of what can I do? Thanks in advance! Log Name: Security Source: Microsoft-Windows-Security-Auditing Date: 12/29/2010 7:12:20 AM Event ID: 6273 Task Category: Network Policy Server Level: Information Keywords: Audit Failure User: N/A Computer: VPN.domain.com Description: Network Policy Server denied access to a user. Contact the Network Policy Server administrator for more information. User: Security ID: domain\Administrator Account Name: domain\Administrator Account Domain: domani Fully Qualified Account Name: domain.com/Users/Administrator Client Machine: Security ID: NULL SID Account Name: - Fully Qualified Account Name: - OS-Version: - Called Station Identifier: 192.168.147.171 Calling Station Identifier: 192.168.147.191 NAS: NAS IPv4 Address: - NAS IPv6 Address: - NAS Identifier: VPN NAS Port-Type: Virtual NAS Port: 0 RADIUS Client: Client Friendly Name: VPN Client IP Address: - Authenticati