Windows 10 clients wont connct



  • Can anyone confirm if i have to copy the master.json file to the client computers? Is that required?



  • No you don’t.



  • Ok, I have tried connecting a cable directly to the Windows 10 machines, I got the correct message on telnet and checked the firewall to allow all ports for veyon and setup by the installer. I am connecting via ldap groups. all windows 10 computers are showing gray or red. where to look next.



  • @jrpfahl Can you please start Configurator on an affected client, set the log level to "Debug", clear the log files and reboot. After attempting a connection to the client please open C:\Windows\Temp\VeyonServer.log on the client and look for possible failure messages (i.e. search for performLogonAuthentication).



  • I will try this, thank you. Just as a troubleshooting measure, I clicked remote control in the main nav bar, typed the IP of the client and connected to the desktop. However, if i right click the client in the client section and hit remote control it wont connect. And in both cases it shows a gray icon computer offline or switched off. So i can connect but the status of the icon shows i cant.



  • Shows successful performLogonAuthentication.
    2019-02-25T14:43:10.660: [DEBUG] CryptoCore instance created - features supported by QCA 2.2.0 ("random", "md5", "sha1", "keystorelist", "ripemd160", "md4", "sha224", "sha256", "sha384", "sha512", "hmac(md5)", "hmac(sha1)", "hmac(sha224)", "hmac(sha256)", "hmac(sha384)", "hmac(sha512)", "hmac(ripemd160)", "aes128-ecb", "aes128-cfb", "aes128-cbc", "aes128-cbc-pkcs7", "aes128-ofb", "aes128-ctr", "aes128-gcm", "aes128-ccm", "aes192-ecb", "aes192-cfb", "aes192-cbc", "aes192-cbc-pkcs7", "aes192-ofb", "aes192-ctr", "aes192-gcm", "aes192-ccm", "aes256-ecb", "aes256-cbc", "aes256-cbc-pkcs7", "aes256-cfb", "aes256-ofb", "aes256-ctr", "aes256-gcm", "aes256-ccm", "blowfish-ecb", "blowfish-cbc-pkcs7", "blowfish-cbc", "blowfish-cfb", "blowfish-ofb", "tripledes-ecb", "tripledes-cbc", "des-ecb", "des-ecb-pkcs7", "des-cbc", "des-cbc-pkcs7", "des-cfb", "des-ofb", "cast5-ecb", "cast5-cbc", "cast5-cbc-pkcs7", "cast5-cfb", "cast5-ofb", "pbkdf1(sha1)", "pbkdf2(sha1)", "pkey", "dlgroup", "rsa", "dsa", "dh", "cert", "csr", "crl", "certcollection", "pkcs12", "tls", "cms", "ca")
    2019-02-25T14:43:10.660: [DEBUG] PluginManager: discovered plugin "AuthKeys" at "C:/Program Files/Veyon/plugins/authkeys.dll"
    2019-02-25T14:43:10.660: [DEBUG] PluginManager: discovered plugin "BuiltinUltraVncServer" at "C:/Program Files/Veyon/plugins/builtin-ultravnc-server.dll"
    2019-02-25T14:43:10.660: [DEBUG] PluginManager: discovered plugin "BuiltinDirectory" at "C:/Program Files/Veyon/plugins/builtindirectory.dll"
    2019-02-25T14:43:10.660: [DEBUG] PluginManager: discovered plugin "Config" at "C:/Program Files/Veyon/plugins/config.dll"
    2019-02-25T14:43:10.660: [DEBUG] PluginManager: discovered plugin "Demonstration" at "C:/Program Files/Veyon/plugins/demo.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "DesktopServices" at "C:/Program Files/Veyon/plugins/desktopservices.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "ExternalVncServer" at "C:/Program Files/Veyon/plugins/external-vnc-server.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "FileTransfer" at "C:/Program Files/Veyon/plugins/filetransfer.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "LDAP" at "C:/Program Files/Veyon/plugins/ldap.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "PowerControl" at "C:/Program Files/Veyon/plugins/powercontrol.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "RemoteAccess" at "C:/Program Files/Veyon/plugins/remoteaccess.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "ScreenLock" at "C:/Program Files/Veyon/plugins/screenlock.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "Screenshot" at "C:/Program Files/Veyon/plugins/screenshot.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "ServiceControl" at "C:/Program Files/Veyon/plugins/servicecontrol.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "Shell" at "C:/Program Files/Veyon/plugins/shell.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "SystemUserGroups" at "C:/Program Files/Veyon/plugins/systemusergroups.dll"
    2019-02-25T14:43:10.675: [DEBUG] PluginManager: discovered plugin "TextMessage" at "C:/Program Files/Veyon/plugins/textmessage.dll"
    2019-02-25T14:43:10.691: [DEBUG] [LDAP] connection closed!
    2019-02-25T14:43:10.691: [DEBUG] [LDAP] ldap url: "ldap://clinton.local:389"
    2019-02-25T14:43:10.691: [DEBUG] [LDAP] setting version to: 3
    2019-02-25T14:43:10.691: [DEBUG] [LDAP] setting timeout to: 0
    2019-02-25T14:43:10.691: [DEBUG] [LDAP] setting security to: 0
    2019-02-25T14:43:10.691: [DEBUG] [LDAP] setting sizelimit to: 0
    2019-02-25T14:43:10.691: [DEBUG] [LDAP] setting timelimit to: 0
    2019-02-25T14:43:10.691: [DEBUG] [LDAP] initializing SASL client
    2019-02-25T14:43:10.691: [DEBUG] [LDAP] binding to server, bindname: "clinton\veyon" password: *****
    2019-02-25T14:43:10.691: [DEBUG] [LDAP] ldap_sasl_bind_s (simple)
    2019-02-25T14:43:10.707: [DEBUG] Starting worker (unmanaged session process) for feature "System tray icon" "{8e997d84-ebb9-430f-8f72-d45d9821963d}"
    2019-02-25T14:43:10.722: [DEBUG] VncProxyServer started on port 11100
    2019-02-25T14:43:10.722: [DEBUG] void VncServer::prepare()
    2019-02-25T14:43:10.722: [INFO] Exec
    2019-02-25T14:43:10.738: [DEBUG] virtual void VncServer::run() running
    2019-02-25T14:43:10.738: [DEBUG] int WinVNCAppMain() : ***** DBG - WinVNCAPPMain
    2019-02-25T14:43:10.738: [DEBUG] vncPasswd::FromClear::FromClear(bool) : PASSWD : FromClear called
    2019-02-25T14:43:10.738: [INFO] int WinVNCAppMain() : server created ok
    2019-02-25T14:43:10.738: [ERR] int WinVNCAppMain() : ***************** SDEvent created
    --The system cannot find the file specified.
    2019-02-25T14:43:10.738: [ERR] DWORD imp_desktop_thread(LPVOID) : OpenInputdesktop OK
    --The parameter is incorrect.
    2019-02-25T14:43:10.738: [INFO] DWORD imp_desktop_thread(LPVOID) : SelectHDESK to Default (34c) from 6c
    2019-02-25T14:43:10.738: [DEBUG] void vncProperties::Load(BOOL) : ***** DBG - Entering Load
    2019-02-25T14:43:10.738: [DEBUG] void vncProperties::Load(BOOL) : ***** DBG - Service mode
    2019-02-25T14:43:10.738: [DEBUG] void vncProperties::Load(BOOL) : ***** DBG - Machine level prefs
    2019-02-25T14:43:10.738: [DEBUG] void vncProperties::Load(BOOL) : loading local-only settings
    2019-02-25T14:43:10.738: [DEBUG] virtual BOOL vncServer::SockConnect(BOOL) : SockConnect 0
    2019-02-25T14:43:10.738: [DEBUG] ---
    2019-02-25T14:43:10.738: [DEBUG] Last message repeated 1 times
    2019-02-25T14:43:10.738: [DEBUG] ---
    2019-02-25T14:43:10.738: [DEBUG] virtual void vncServer::SetAuthHosts(const char*) : authhosts cleared
    2019-02-25T14:43:10.738: [DEBUG] void vncProperties::Load(BOOL) : ***** DBG - Load User Preferences
    2019-02-25T14:43:10.738: [DEBUG] void vncProperties::Load(BOOL) : clearing user settings
    2019-02-25T14:43:10.738: [DEBUG] vncPasswd::FromClear::FromClear(bool) : PASSWD : FromClear called
    2019-02-25T14:43:10.738: [DEBUG] void vncProperties::Load(BOOL) : ***** DBG - Local Preferences - Default
    2019-02-25T14:43:10.738: [DEBUG] void vncProperties::Load(BOOL) : loading DEFAULT local settings
    2019-02-25T14:43:10.738: [DEBUG] virtual BOOL vncServer::SockConnect(BOOL) : SockConnect 0
    2019-02-25T14:43:10.738: [DEBUG] virtual BOOL vncServer::SockConnect(BOOL) : SockConnect 1
    2019-02-25T14:43:10.738: [DEBUG] VBool VSocket::Close() : closing socket
    2019-02-25T14:43:10.738: [DEBUG] virtual BOOL vncServer::SockConnect(BOOL) : SockConnect Done 1
    2019-02-25T14:43:10.738: [DEBUG] void vncPropertiesPoll::Load(BOOL) : clearing user settings
    2019-02-25T14:43:10.754: [DEBUG] void vncPropertiesPoll::Load(BOOL) : loading DEFAULT local settings
    2019-02-25T14:43:10.910: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : started socket connection thread
    2019-02-25T14:43:10.941: [DEBUG] FeatureWorkerManager: accepting connection
    2019-02-25T14:43:27.363: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : accepted connection from 127.0.0.1
    2019-02-25T14:43:27.363: [INFO] virtual vncClientId vncServer::AddClient(VSocket*, BOOL, BOOL, int, char ()[13], VString, VString, VCard, BOOL) : AddClient() started
    2019-02-25T14:43:27.363: [DEBUG] vncClient::vncClient() : vncClient() executing...
    2019-02-25T14:43:27.363: [DEBUG] virtual vncClientId vncServer::AddClient(VSocket
    , BOOL, BOOL, int, char ()[13], VString, VString, VCard, BOOL) : AddClient() done
    2019-02-25T14:43:27.400: [INFO] virtual void vncClientThread::run(void
    ) : client connected : 127.0.0.1 (1)
    2019-02-25T14:43:27.400: [INFO] virtual bool vncClientThread::InitSocket() : failed to set socket timeout(0)
    2019-02-25T14:43:27.400: [INFO] virtual BOOL vncClientThread::InitVersion() : Send protocolMsg
    2019-02-25T14:43:27.400: [INFO] virtual BOOL vncClientThread::InitVersion() : Send_OK
    2019-02-25T14:43:27.402: [DEBUG] virtual void vncClientThread::run(void*) : negotiated version
    2019-02-25T14:43:27.402: [DEBUG] Entered InitAuthenticate
    2019-02-25T14:43:27.402: [DEBUG] virtual vncServer::AcceptQueryReject vncServer::VerifyHost(const char*) : client 127.0.0.1 verifiedHost 0 prior to adjustment
    2019-02-25T14:43:27.402: [DEBUG] virtual vncServer::AcceptQueryReject vncServer::VerifyHost(const char*) : client 127.0.0.1 verifiedHost 0 after adjustment
    2019-02-25T14:43:27.402: [WARN] BOOL vncClientThread::CheckLoopBack() : loopback connection attempted - client accepted
    2019-02-25T14:43:27.402: [DEBUG] vncPasswd::ToText::ToText(const char*, bool) : PASSWD : ToText called
    2019-02-25T14:43:27.403: [DEBUG] ServerAuthenticationManager::processAuthenticationMessage(): state 0 type RfbVeyonAuth::Type(4) host "::ffff:127.0.0.1" user "CLINTON\jason.pfahl"
    2019-02-25T14:43:28.588: [DEBUG] password authentication
    2019-02-25T14:43:28.591: [DEBUG] ServerAuthenticationManager::processAuthenticationMessage(): state 2 type RfbVeyonAuth::Type(4) host "::ffff:127.0.0.1" user "CLINTON\jason.pfahl"
    2019-02-25T14:43:28.609: [INFO] ServerAuthenticationManager::performLogonAuthentication(): authenticating user "CLINTON\jason.pfahl"
    2019-02-25T14:43:28.617: [DEBUG] ServerAuthenticationManager::performLogonAuthentication(): SUCCESS
    2019-02-25T14:43:28.617: [INFO] ComputerControlServer: successfully authenticated "CLINTON\jason.pfahl" at host "::ffff:127.0.0.1"
    2019-02-25T14:43:28.618: [DEBUG] AccessControlProvider::checkAccess(): no access control method configured, allowing access.
    2019-02-25T14:43:28.619: [DEBUG] void vncClientThread::LogAuthResult(bool) : authentication succeeded
    2019-02-25T14:43:28.620: [DEBUG] VncClientProtocol::receiveSecurityResult(): authentication successful
    2019-02-25T14:43:28.621: [INFO] virtual BOOL vncClientThread::InitAuthenticate() : Leaving InitAuthenticate
    2019-02-25T14:43:28.621: [DEBUG] DWORD vncDesktop::Init(vncServer*) : initialising desktop handler
    2019-02-25T14:43:28.622: [INFO] virtual void* vncDesktopThread::run_undetached(void*) : Hook changed 1
    2019-02-25T14:43:28.622: [INFO] virtual void* vncDesktopThread::run_undetached(void*) : Hook changed 2
    2019-02-25T14:43:28.622: [DEBUG] void vncDesktop::KillScreenSaver() : KillScreenSaver...
    2019-02-25T14:43:29.124: [ERR] DWORD vncDesktop::Startup() : InitVideo driver Called
    --The system cannot find the file specified.
    2019-02-25T14:43:29.124: [DEBUG] DWORD vncDesktop::Startup() : Driver option enabled
    2019-02-25T14:43:29.124: [INFO] BOOL vncDesktop::InitVideoDriver() : Driver option is enabled
    2019-02-25T14:43:29.147: [ERR] BOOL vncDesktop::InitVideoDriver() : Start Mirror driver
    --Cannot create a file when that file already exists.
    2019-02-25T14:43:29.147: [INFO] BOOL vncDesktop::InitVideoDriver() : Driver Used
    2019-02-25T14:43:29.147: [INFO] BOOL vncDesktop::InitVideoDriver() : Shared memory mapped
    2019-02-25T14:43:29.147: [DEBUG] DWORD vncDesktop::Startup() : Break log
    2019-02-25T14:43:29.148: [INFO] DWORD vncDesktop::InitBitmap() : No driver used
    2019-02-25T14:43:29.212: [DEBUG] DWORD vncDesktop::InitBitmap() : bitmap dimensions are 1920 x 866
    2019-02-25T14:43:29.220: [DEBUG] DWORD vncDesktop::InitBitmap() : created memory bitmap
    2019-02-25T14:43:29.220: [DEBUG] DWORD vncDesktop::InitBitmap() : got bitmap format
    2019-02-25T14:43:29.221: [DEBUG] DWORD vncDesktop::Startup() : Removing real Dib buffer and replace by driver communication buffer
    2019-02-25T14:43:29.222: [DEBUG] void vncDesktop::StartInitWindowthread() : StartInitWindowthread
    2019-02-25T14:43:29.223: [DEBUG] void vncDesktop::StartInitWindowthread() : StartInitWindowthread default desk
    2019-02-25T14:43:29.252: [ERR] BOOL vncDesktop::InitWindow() : InitWindow called
    --The parameter is incorrect.
    2019-02-25T14:43:29.252: [INFO] BOOL vncDesktop::InitWindow() : InitWindow:OpenInputdesktop OK
    2019-02-25T14:43:29.252: [INFO] BOOL vncDesktop::InitWindow() : InitWindow:SelectHDESK to Default (550) from 6c
    2019-02-25T14:43:29.255: [INFO] LRESULT DesktopWndProc(HWND, UINT, WPARAM, LPARAM) : wmcreate
    2019-02-25T14:43:29.255: [INFO] BOOL vncDesktop::InitWindow() : OOOOOOOOOOOO load hookdll's
    2019-02-25T14:43:29.256: [ERR] BOOL vncDesktop::InitWindow() : OOOOOOOOOOOO start dispatch
    --The specified module could not be found.
    2019-02-25T14:43:29.256: [DEBUG] void vncDesktop::StartInitWindowthread() : StartInitWindowthread started
    2019-02-25T14:43:29.256: [DEBUG] BOOL vncBuffer::CheckBuffer() : request local buffer[6650880]
    2019-02-25T14:43:29.256: [DEBUG] BOOL vncBuffer::CheckBuffer() : fast blits detected - using DIBsection buffer
    2019-02-25T14:43:29.275: [DEBUG] BOOL vncBuffer::CheckBuffer() : local buffer=6650880
    2019-02-25T14:43:29.275: [INFO] void vncDesktop::SethookMechanism(BOOL, BOOL) : Sethook_restart_wanted hook=0 driver=1
    2019-02-25T14:43:29.275: [INFO] void vncDesktop::SethookMechanism(BOOL, BOOL) : Hookdll status changed
    2019-02-25T14:43:29.275: [DEBUG] BOOL vncEncodeMgr::SetEncoding(CARD32, BOOL) : raw encoder requested
    2019-02-25T14:43:29.275: [DEBUG] BOOL vncEncoder::SetTranslateFunction() : settranslatefunction called
    2019-02-25T14:43:29.275: [DEBUG] ---
    2019-02-25T14:43:29.275: [DEBUG] Last message repeated 1 times



  • Thank you for the information! It appears everything is OK client side. The next step is to elaborate the VeyonMaster log files (%TEMP%/VeyonMaster.log) when viewing a single affected client.

    Besides that we just released Veyon 4.2 Beta with various fixes and improvements regarding client connections so it could be worth a try to see if this release fixes your issue. Alternatively can you try to connect with a Veyon 4.0.x master?



  • would this require installing 4.2 on both the client and the master computer. ill try that and see how it goes...



  • 2019-02-27T14:43:10.069: [ERR] static void* WindowsCoreFunctions::runProgramInSession(const QString&, const QStringList&, DWORD, const QString&) OpenProcessToken() 0
    2019-02-27T14:43:10.075: [INFO] Exec
    2019-02-27T14:43:10.076: [INFO] int WinVNCAppMain() : server created ok
    2019-02-27T14:43:10.076: [ERR] int WinVNCAppMain() : ***************** SDEvent created
    --The system cannot find the file specified.
    2019-02-27T14:43:10.076: [ERR] DWORD imp_desktop_thread(LPVOID) : OpenInputdesktop OK
    --The parameter is incorrect.
    2019-02-27T14:43:10.076: [INFO] DWORD imp_desktop_thread(LPVOID) : SelectHDESK to Winlogon (2bc) from 50
    2019-02-27T14:43:10.077: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : started socket connection thread
    2019-02-27T14:43:40.015: [INFO] int WinVNCAppMain() : ################## Closing Imp Thread
    2019-02-27T14:43:40.015: [ERR] int WinVNCAppMain() : ################## SHUTING DOWN SERVER ####################
    --Attempt to release mutex not owned by caller.
    2019-02-27T14:43:40.015: [INFO] vncServer::~vncServer() : shutting down server object1
    2019-02-27T14:43:40.016: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : accepted connection from 4.0.0.0
    2019-02-27T14:43:40.016: [ERR] virtual void* vncSockConnectThread::run_undetached(void*) : quitting socket connection thread
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:43:41.019: [ERR] VBool VSocket::Close() : closing socket
    --No connection could be made because the target machine actively refused it.
    2019-02-27T14:43:41.019: [ERR] VBool VSocket::Close() : closing socket
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:43:41.019: [ERR] ---
    2019-02-27T14:43:41.019: [ERR] Last message repeated 1 times
    2019-02-27T14:43:41.019: [ERR] ---
    2019-02-27T14:43:41.019: [ERR] virtual void vncServer::KillAuthClients() : KillAuthClients() done
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:43:41.020: [INFO] Exec Done
    2019-02-27T14:43:42.454: [ERR] static void* WindowsCoreFunctions::runProgramInSession(const QString&, const QStringList&, DWORD, const QString&) OpenProcessToken() 0
    2019-02-27T14:43:42.459: [INFO] Exec
    2019-02-27T14:43:42.460: [INFO] int WinVNCAppMain() : server created ok
    2019-02-27T14:43:42.460: [ERR] int WinVNCAppMain() : ***************** SDEvent created
    --The system cannot find the file specified.
    2019-02-27T14:43:42.460: [ERR] DWORD imp_desktop_thread(LPVOID) : OpenInputdesktop OK
    --The parameter is incorrect.
    2019-02-27T14:43:42.460: [INFO] DWORD imp_desktop_thread(LPVOID) : SelectHDESK to Winlogon (2cc) from 44
    2019-02-27T14:43:42.461: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : started socket connection thread
    2019-02-27T14:44:00.397: [INFO] int WinVNCAppMain() : ################## Closing Imp Thread
    2019-02-27T14:44:00.397: [ERR] int WinVNCAppMain() : ################## SHUTING DOWN SERVER ####################
    --Attempt to release mutex not owned by caller.
    2019-02-27T14:44:00.397: [INFO] vncServer::~vncServer() : shutting down server object1
    2019-02-27T14:44:00.397: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : accepted connection from 4.0.0.0
    2019-02-27T14:44:00.397: [ERR] virtual void* vncSockConnectThread::run_undetached(void*) : quitting socket connection thread
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:44:01.396: [ERR] VBool VSocket::Close() : closing socket
    --No connection could be made because the target machine actively refused it.
    2019-02-27T14:44:01.396: [ERR] VBool VSocket::Close() : closing socket
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:44:01.396: [ERR] ---
    2019-02-27T14:44:01.396: [ERR] Last message repeated 1 times
    2019-02-27T14:44:01.396: [ERR] ---
    2019-02-27T14:44:01.396: [ERR] virtual void vncServer::KillAuthClients() : KillAuthClients() done
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:44:01.397: [INFO] Exec Done
    2019-02-27T14:44:02.071: [ERR] static void* WindowsCoreFunctions::runProgramInSession(const QString&, const QStringList&, DWORD, const QString&) OpenProcessToken() 0
    2019-02-27T14:44:02.077: [INFO] Exec
    2019-02-27T14:44:02.077: [INFO] int WinVNCAppMain() : server created ok
    2019-02-27T14:44:02.077: [ERR] int WinVNCAppMain() : ***************** SDEvent created
    --The system cannot find the file specified.
    2019-02-27T14:44:02.078: [ERR] DWORD imp_desktop_thread(LPVOID) : OpenInputdesktop OK
    --The parameter is incorrect.
    2019-02-27T14:44:02.078: [INFO] DWORD imp_desktop_thread(LPVOID) : SelectHDESK to Winlogon (2cc) from 50
    2019-02-27T14:44:02.078: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : started socket connection thread
    2019-02-27T14:45:44.019: [INFO] int WinVNCAppMain() : ################## Closing Imp Thread
    2019-02-27T14:45:44.019: [ERR] int WinVNCAppMain() : ################## SHUTING DOWN SERVER ####################
    --Attempt to release mutex not owned by caller.
    2019-02-27T14:45:44.019: [INFO] vncServer::~vncServer() : shutting down server object1
    2019-02-27T14:45:44.019: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : accepted connection from 4.0.0.0
    2019-02-27T14:45:44.020: [ERR] virtual void* vncSockConnectThread::run_undetached(void*) : quitting socket connection thread
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:45:45.017: [ERR] VBool VSocket::Close() : closing socket
    --No connection could be made because the target machine actively refused it.
    2019-02-27T14:45:45.017: [ERR] VBool VSocket::Close() : closing socket
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:45:45.017: [ERR] ---
    2019-02-27T14:45:45.017: [ERR] Last message repeated 1 times
    2019-02-27T14:45:45.017: [ERR] ---
    2019-02-27T14:45:45.017: [ERR] virtual void vncServer::KillAuthClients() : KillAuthClients() done
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:45:45.018: [INFO] Exec Done
    2019-02-27T14:45:45.984: [ERR] static void* WindowsCoreFunctions::runProgramInSession(const QString&, const QStringList&, DWORD, const QString&) OpenProcessToken() 0
    2019-02-27T14:45:45.990: [INFO] Exec
    2019-02-27T14:45:45.990: [INFO] int WinVNCAppMain() : server created ok
    2019-02-27T14:45:45.990: [ERR] int WinVNCAppMain() : ***************** SDEvent created
    --The system cannot find the file specified.
    2019-02-27T14:45:45.991: [ERR] DWORD imp_desktop_thread(LPVOID) : OpenInputdesktop OK
    --The parameter is incorrect.
    2019-02-27T14:45:45.991: [INFO] DWORD imp_desktop_thread(LPVOID) : SelectHDESK to Winlogon (2cc) from 44
    2019-02-27T14:45:45.992: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : started socket connection thread
    2019-02-27T14:51:03.926: [INFO] int WinVNCAppMain() : ################## Closing Imp Thread
    2019-02-27T14:51:03.926: [ERR] int WinVNCAppMain() : ################## SHUTING DOWN SERVER ####################
    --Attempt to release mutex not owned by caller.
    2019-02-27T14:51:03.926: [INFO] vncServer::~vncServer() : shutting down server object1
    2019-02-27T14:51:03.926: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : accepted connection from 4.0.0.0
    2019-02-27T14:51:03.927: [ERR] virtual void* vncSockConnectThread::run_undetached(void*) : quitting socket connection thread
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:51:04.935: [ERR] VBool VSocket::Close() : closing socket
    --No connection could be made because the target machine actively refused it.
    2019-02-27T14:51:04.935: [ERR] VBool VSocket::Close() : closing socket
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:51:04.935: [ERR] ---
    2019-02-27T14:51:04.935: [ERR] Last message repeated 1 times
    2019-02-27T14:51:04.935: [ERR] ---
    2019-02-27T14:51:04.935: [ERR] virtual void vncServer::KillAuthClients() : KillAuthClients() done
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:51:04.936: [INFO] Exec Done
    2019-02-27T14:51:05.845: [ERR] static void* WindowsCoreFunctions::runProgramInSession(const QString&, const QStringList&, DWORD, const QString&) OpenProcessToken() 0
    2019-02-27T14:51:05.851: [INFO] Exec
    2019-02-27T14:51:05.852: [INFO] int WinVNCAppMain() : server created ok
    2019-02-27T14:51:05.852: [ERR] int WinVNCAppMain() : ***************** SDEvent created
    --The system cannot find the file specified.
    2019-02-27T14:51:05.852: [ERR] DWORD imp_desktop_thread(LPVOID) : OpenInputdesktop OK
    --The parameter is incorrect.
    2019-02-27T14:51:05.852: [INFO] DWORD imp_desktop_thread(LPVOID) : SelectHDESK to Winlogon (2cc) from 44
    2019-02-27T14:51:05.853: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : started socket connection thread
    2019-02-27T14:52:41.755: [INFO] int WinVNCAppMain() : ################## Closing Imp Thread
    2019-02-27T14:52:41.755: [ERR] int WinVNCAppMain() : ################## SHUTING DOWN SERVER ####################
    --Attempt to release mutex not owned by caller.
    2019-02-27T14:52:41.755: [INFO] vncServer::~vncServer() : shutting down server object1
    2019-02-27T14:52:41.755: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : accepted connection from 4.0.0.0
    2019-02-27T14:52:41.755: [ERR] virtual void* vncSockConnectThread::run_undetached(void*) : quitting socket connection thread
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:52:42.761: [ERR] VBool VSocket::Close() : closing socket
    --No connection could be made because the target machine actively refused it.
    2019-02-27T14:52:42.761: [ERR] VBool VSocket::Close() : closing socket
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:52:42.761: [ERR] ---
    2019-02-27T14:52:42.761: [ERR] Last message repeated 1 times
    2019-02-27T14:52:42.761: [ERR] ---
    2019-02-27T14:52:42.761: [ERR] virtual void vncServer::KillAuthClients() : KillAuthClients() done
    --An operation was attempted on something that is not a socket.
    2019-02-27T14:52:42.762: [INFO] Exec Done
    2019-02-27T14:52:43.853: [ERR] static void* WindowsCoreFunctions::runProgramInSession(const QString&, const QStringList&, DWORD, const QString&) OpenProcessToken() 0
    2019-02-27T14:52:43.859: [INFO] Exec
    2019-02-27T14:52:43.859: [INFO] int WinVNCAppMain() : server created ok
    2019-02-27T14:52:43.859: [ERR] int WinVNCAppMain() : ***************** SDEvent created
    --The system cannot find the file specified.
    2019-02-27T14:52:43.860: [ERR] DWORD imp_desktop_thread(LPVOID) : OpenInputdesktop OK
    --The parameter is incorrect.
    2019-02-27T14:52:43.860: [INFO] DWORD imp_desktop_thread(LPVOID) : SelectHDESK to Winlogon (2cc) from 48
    2019-02-27T14:52:43.861: [INFO] virtual void* vncSockConnectThread::run_undetached(void*) : started socket connection thread



  • I feel that there is something to do with Windows 10 compatibility. I have just purchased 45 Dell Computers with Windows 10 Education 1709. Not a single one running 4.2 will reveal the desktop in the Thumbnail. All the Windows 7 machines with an identical setup are working perfectly.


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