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error code 33

Posted: Thu Apr 16, 2026 8:40 am
by feichtinger
error code 33
not mentioned in manual and nowhere explained

Re: error code 33

Posted: Thu Apr 16, 2026 9:03 am
by feichtinger
Please enter the password. To cancel press the Ctrl+D key.

Password: ******
Confirm input: ******


Error occurred. (Error code: 33)
Unsupported.

Re: error code 33

Posted: Thu Apr 16, 2026 9:04 am
by solo
"Unsupported" is the explanation.

Re: error code 33

Posted: Thu Apr 16, 2026 9:17 am
by feichtinger
What?
Unsupported?
33 is no error code. it would need three numerals, wouldn't it?

Re: error code 33

Posted: Thu Apr 16, 2026 11:16 am
by solo

Code: Select all

# Protocol error strings
ERR_UNKNOWN		An unknown error occurred.
ERR_0			No error.
ERR_1			Connection to the server failed. Check network connection and make sure that address and port number of destination server are correct.
ERR_2			Protocol error occurred. Error was returned from the destination server.
ERR_3			Connection has been disconnected.
ERR_4			Protocol error occurred.
ERR_5			A client which is non-SoftEther VPN software has connected to the port.
ERR_6			The command has been canceled by user.
ERR_7			The server denied the specified auth type.
ERR_8			The specified Virtual Hub does not exist on the server.
ERR_9			User authentication failed.
ERR_10			The specified Virtual Hub is currently stopped. Wait for a while and then reconnect.
ERR_11			The VPN session has been deleted. It is possible that either the administrator disconnected the session or the connection from the client to the VPN Server has been disconnected.
ERR_12			Access has been denied.
ERR_13			Time-out occurred during VPN session communication. It is possible the connection from the client to the VPN Server has been disconnected.
ERR_14			Protocol number is invalid.
ERR_15			There are too many TCP/IP connections.
ERR_16			There are too many sessions connected to either the destination server or Virtual Hub.
ERR_17			Connection to proxy server failed.
ERR_18			An error occurred on the proxy server.
ERR_19			User authentication failed on the proxy server.
ERR_20			There are too many sessions by the same user. Other person might be connected to the Virtual Hub as the same user.
ERR_21			A license error occurred on the VPN Server. Contact the VPN Server's administrator.
ERR_22			Cannot access the Virtual Network Adapter device driver. Check the Virtual Network Adapter is installed and make sure that it has not been disabled.
ERR_23			An internal error occurred.
ERR_24			Access to either the smart card or USB hardware token device failed.
ERR_25			The PIN code is incorrect.
ERR_26			The specified certificate is not stored on either the smart card or the USB hardware token device.
ERR_27			The specified private key is not stored on either the smart card or the USB hardware token device.
ERR_28			Write operation to the smart card or USB hardware token device failed.
ERR_29			Object not found.
ERR_30			A Virtual Network Adapter with the specified name already exists. Specify a different name.
ERR_31			Installation of the Virtual Network Adapter device driver failed.
ERR_32			You cannot use the specified name for a Virtual Network Adapter device.
ERR_33			Unsupported.
ERR_34			VPN Connection Setting with the specified name already exists.
ERR_35			The specified VPN Connection Setting is currently connected.
ERR_36			The specified VPN Connection Setting does not exist.
ERR_37			The specified VPN Connection Setting is not connected.
ERR_38			Invalid parameter.
ERR_39			Error occurred on smart card or USB hardware token.
ERR_40			Although authentication of smart card or USB hardware token was selected, but the device to be used has not been selected. Select from the Smart Card menu of Connection Manager.
ERR_41			The specified Virtual Network Adapter is being used by at least one VPN Connection Setting. \r\nEither delete the VPN Connection Setting that is using this Virtual Network Adapter or change Virtual Network Adapter that this VPN Connection Setting is using.
ERR_42			Cannot find the Virtual Network Adapter that the specified VPN Connection Setting is using. \r\nMake sure this Virtual Network Adapter exists. Also make sure the Virtual Network Adapter device has not been disabled. \r\n\r\nIf you cannot resolve the problem, either change the Virtual Network Adapter being used by this VPN Connection Setting or create a new Virtual Network Adapter with the same name.
ERR_43			The Virtual Network Adapter used by the specified VPN Connection Setting is already being used by another VPN Connection Setting. \r\nIf there is another VPN Connection Setting that is using the same Virtual Network Adapter, disconnect that VPN Connection Setting.
ERR_44			The Virtual Network Adapter being used by the specified VPN Connection Setting has been disabled. \r\nBefore using this VPN Connection Setting, enable the Virtual Network Adapter.
ERR_45			The specified value is invalid.
ERR_46			The connection destination is not a cluster controller.
ERR_47			Trying to connect.
ERR_48			Connection to the cluster controller failed.
ERR_49			The cluster controller was unable to assign a new session on a cluster.
ERR_50			Unable to manage the Virtual Hub of the cluster member server.
ERR_51			The user's password used to connect was blank so the connection from remote is prohibited. Blank password can be allowed only to connections from the VPN Server's localhost (127.0.0.1).
ERR_52			Not enough privileges.
ERR_53			Specified listener not found.
ERR_54			The listener of the specified port number already exists.
ERR_55			This is not a cluster member server.
ERR_56			The specified encryption algorithm name is not supported.
ERR_57			The Virtual Hub with the specified name already exists on the server.
ERR_58			There are too many registered Virtual Hubs. No more can be created. Delete the old Virtual Hubs.
ERR_59			The Cascade Connection with the specified name already exists.
ERR_60			A Cascade Connection cannot be created on a server on a cluster.
ERR_61			The specified Cascade Connection is offline. 
ERR_62			There are too many access lists.
ERR_63			There are too many users.
ERR_64			There are too many groups.
ERR_65			The specified group does not exist.
ERR_66			The user with the specified name already exists on the Virtual Hub.
ERR_67			The group with the specified name already exists on the Virtual Hub.
ERR_68			A user with the specified name exists on the server but the type of authentication is not password authentication. Unable to change the password.
ERR_69			The user name or old password you entered is incorrect. Note that the password is case-sensitive.
ERR_70			Saitama.
ERR_71			SoftEther has temporarily stopped the current distribution by order of the Japan Ministry of Economy Trade and Industry.
ERR_72			SoftEther has temporarily stopped the current distribution by order of the IPA.
ERR_73			Unable to disconnect the Cascade Connection's session. To delete the session, stop the Cascade Connection.
ERR_74			The VPN Connection Setting for connection with the VPN Server is incomplete. At first you have to complete the VPN Connection Setting for connection with the VPN Server.
ERR_75			VPN Connection to the VPN Server has already started.
ERR_76			Not connected to the VPN Server.
ERR_77			The specified X509 certificate file does not contain a RSA 1024 bit or 2048 bit public key. SoftEther VPN software supports only RSA 1024 bit or 2048 bit certificates.
ERR_78			Unable to disconnect the SecureNAT session. To delete the session, stop the SecureNAT function.
ERR_79			Cannot enable the SecureNAT in a clustering environment.
ERR_80			The SecureNAT is not operating.
ERR_81			This VPN Connection session to the VPN Server has been disconnected by the firewall device installed by the network administrator. Contact the network administrator.
ERR_82			Unable to disconnect the Local Bridge session. To delete the session, stop the Local Bridge.
ERR_83			The Local Bridge is not operating.
ERR_84			Local Bridge cannot be used by the destination VPN Server. Refer to online help or other documentation for the setting method when using Local Bridge on the VPN Server you are using.
ERR_85			Unable to trust the certificate provided by the destination server. The setting to always verify the server certificate is enabled in the VPN Connection Settings. Either register a root certificate that can be trusted or register a individual certificate.
ERR_86			The product code of the destination server is incorrect. It is not possible to connect from this client.
ERR_87			The client and server version is different. Update the software.
ERR_88			Failed to add a capture device. A same capture device might be already registered.
ERR_89			Unable to connect to the destination server from this client. A special client software is required.
ERR_90			The specified capture device is not registered.
ERR_91			Unable to disconnect the Virtual Layer 3 Switch session. To delete the session, stop the Virtual Layer 3 Switch.
ERR_92			A Virtual Layer 3 Switch with the specified name already exists. Specify a different name.
ERR_93			Specified Virtual Layer 3 Switch not found.
ERR_94			The specified name is invalid. Check if the name contains characters that cannot be used.
ERR_95			Failed to add the Virtual Layer 3 interface. Please check that the parameters are valid. Also please make sure that the Virtual Layer 3 switch is stopped. Adding or deleting interfaces are unable when the Virtual Layer 3 switch is running.
ERR_96			Failed to delete the Virtual Layer 3 interface. Please check that the parameters are valid. Also please make sure that the Virtual Layer 3 switch is stopped. Adding or deleting interfaces are unable when the Virtual Layer 3 switch is running.
ERR_97			The Virtual Layer 3 interface that is connecting to the destination Virtual Hub of the specified Virtual Layer 3 interface already exists in the Virtual Layer 3 Switch. No more than one Virtual Layer 3 interface that connects to the same Virtual Hub can be defined in a Virtual Layer 3 Switch.
ERR_98			Failed to add routing table entry. Please check that the parameters are valid. Also please make sure that the Virtual Layer 3 switch is stopped. Adding or deleting routing table entries are unable when the Virtual Layer 3 switch is running.
ERR_99			Failed to delete routing table entry. Please check that the parameters are valid. Also please make sure that the Virtual Layer 3 switch is stopped. Adding or deleting routing table entries are unable when the Virtual Layer 3 switch is running.
ERR_100			The specified routing table entry already exists.
ERR_101			The client clock and the server clock are not synchronized with each other. Check the time settings.
ERR_102			Unable to start this Virtual Layer 3 Switch. \r\n\r\nTo start the Virtual Layer 3 Switch, at least 1 virtual interface must be defined in the Virtual Layer 3 Switch.
ERR_103			Not enough Client Connection Licenses on the destination VPN Server. Contact the server administrator.
ERR_104			Not enough Bridge Connection Licenses on the destination VPN Server. Contact the server administrator.
ERR_105			Due to current technical difficulties, the destination VPN Server is not receiving the connection. Either wait a while, or contact the VPN Server administrator requesting that the server log file be checked.
ERR_106			The destination VPN Server's certificate has expired. Contact the VPN Server's administrator.
ERR_107			A connection has beens requested in Monitoring Mode. But the security policy for the connecting user does not permit Monitoring Mode.
ERR_108			A connection has been requested in Bridge / Router Mode. But the security policy for the connecting user forbids both bridge mode and router mode.
ERR_109			A connection from a client IP address has been denied by the Source IP Restriction List of the Virtual Hub.
ERR_110			There are too many items.
ERR_111			Out of memory.
ERR_112			The specified object already exists.
ERR_113			A fatal error occurred. It is possible that the program operation is unable to continue.
ERR_114			The destination VPN Server has detected a software license violation. Connection is refused. Contact the VPN Server's administrator.
ERR_115			The destination VPN Server has connected via the Internet to an important server provided by SoftEther VPN Project and cannot validate a license. Either wait a while, or contact the VPN Server administrator requesting that the server log file and the Internet connection status of the server itself be checked.
ERR_116			A software license violation has been detected on the client side. Connection is refused.
ERR_117			The command or file name is incorrect.
ERR_118			The license key is incorrect.
ERR_119			No valid product license is registered on the VPN Server. Contact the VPN Server's administrator.
ERR_120			The product license required for the VPN Server to operate as a cluster is not registered. Contact the VPN Server's administrator.
ERR_121			This VPN Connection Setting has been installed using the "Web Installer Creation Kit" or "Simple Installer Creation Kit". The destination server is not an edition that supports the SoftEther VPN 2.0 Administration Pack. Contact the system administrator or person who created the installer.
ERR_122			With the VPN Server SDK for .NET, it is only possible to connect to the SoftEther VPN Server edition that supports the SoftEther VPN 2.0 Administration Pack. The destination VPN Server is not an edition that supports the SoftEther VPN 2.0 Administration Pack. Contact the system administrator.
ERR_123			Beta Version Software on the destination server is expired. Contact to system administrator of the server to download a new beta version or full version from http://selinks.org/.
ERR_124			The VPN connection to VPN Server is refused at server side.
ERR_125			The VPN connection to VPN Server is refused at client side.
ERR_126			The security policy enforced the VPN session to disconnect automatically because the specific time has been elapsed. If you wish to continue please re-connect.
ERR_127			The VPN Server requires the special-version VPN Client software. Consult with the administrator.
ERR_128			The number of registered user objects exceeds the maximum number which is allowed the product license applied on the VPN Server. You cannot add user objects anymore unless you delete old one, or upgrade the edition of the product.
ERR_129			The subscription contract has already expired before the release-date of this version of VPN Server. The customer has been authorized to use VPN Server's builds only in the period of the subscription contract. The customer has to extend the period of the subscription. The customer also be able to 'downgrade' the version of VPN Server to older version which has released before the end of the subscription. If you want to downgrade the version, older versions might be available on http://selinks.org/.
ERR_130			We are afraid that the trial license keys cannot be obtained frequently by the same customer. Please consider to purchase the product version.
ERR_131			Several VPN Servers on the same IP address. You can specify the destination server's private IP or hostname concretely such as "Global IP address or host name/192.168.x.x". Or if a NAT is used on the server's side, configure the NAT to open, relay or transfer appropriate ports.
ERR_132			The key for Dynamic DNS Service duplicates to others. The key will be reset automatically.
ERR_133			The specified Dynamic DNS hostname is already used. Please change the hostname.
ERR_134			The specified Dynamic DNS hostname has an invalid characters. Please change the hostname.
ERR_135			The length of the specified Dynamic DNS hostname is too long. A hostname must be equal or shorter than 31 letters.
ERR_136			The Dynamic DNS hostname is not specified.
ERR_137			The length of the specified Dynamic DNS hostname is too long. A hostname must be equal of longer than 3 letters.
ERR_138			The password of the specified user in the Virtual Hub must be reset before using MS-CHAP v2 authentication. Please ask the administrator of the VPN Server to reset the password by the VPN Server Manager or vpncmd which internal version is 4.0 or greater. Or you can change the password with VPN Client by yourself.
ERR_139			The connection to the Dynamic DNS server has been disconnected.
ERR_140			Failed to initialize the ICMP (Ping) protocol. The process of the VPN Server might be running in a normal-user privileges. In such case, run the VPN Server as a system service. (in Linux / UNIX, run it in root privileges.)
ERR_141			Failed to open the DNS port 53. Make sure that there are no other DNS server program (for example, BIND or Microsoft DNS Server) on the same computer. If there are conflicting services stop them. Or run the VPN Server's process in root privileges on Linux / UNIX/
ERR_142			The OpenVPN Server function is not enabled.
ERR_143			The Certificate Authentication function and the External Server Authentication function have not been implemented on the open-source version of SoftEther VPN yet. Choose either Anonymous Authentication or Password Authentication instead.
ERR_144			Unacceptable operation. Use the VPN Gate Control Panel to change the VPN Gate Relay Server settings.
ERR_145			Unacceptable operation. Use the VPN Gate Utility to modify the connection setting for VPN Gate Public VPN Relay Servers.
ERR_146			The VPN Gate Service is running inside the VPN Client program. You cannot stop the VPN Gate Service on this screen. Use the VPN Client Manager to enable or disable the VPN Gate Service.
ERR_147			This feature is not supported. It hasn't been implemented yet on the open-source version of SoftEther VPN.
ERR_148			The VPN connection was disconnected because the system is being suspended.