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There were 14 articles found in this category:

  1. questionI'm receiving the error "Connection reset by peer (10054)".
    "Connection reset be peer" generally suggests a network issue (not related to the VNC application itself), this could be due to either misconfigured or faulty network hardware. "Connection reset by peer" specifically means that, as far as the application reporting the error is concerned, the oth ...
  2. questionAn internal error has occurred. (80092004) when connecting to Intel AMT/vPro using TLS
    Trying to connect to AMT Server on Intel AMT/vPro using TLS gives an error: "An internal error has occurred. (80092004)" Ensure that VNC Viewer has the right certificate installed and is trying to connect using that certificate. Check the VNC Viewer logs as per: http://kb.realvnc.com/questions/3 ...
  3. questionI'm receiving the error "Connection closed unexpectedly. Do you wish to reconnect?".
    This is one of the more common error messages reported in VNC, and the error itself does not give an adequate description of the actual problem. However, it is most often caused by one of the following: - Your "Hosts" filter has been deleted, or mis-configured. The "Hosts" parameter tells VNC Se ...
  4. questionI'm receiving the error (11001)
    "Error 11001 " indicates that no response was received from the specified IP address or hostname. It usually indicates an incorrect IP address or hostname has been entered. You should check that you are entering the correct IP address or hostname when connecting with VNC Viewer. If you are runn ...
  5. questionI'm receiving the error "Connection Timed Out" (10060).
    "Connection timed out" indicates that no response was received from the specified IP address, even to reject the connection. It usually indicates a misconfigured router or firewall. If you are running any firewall software on the VNC Server computer, please either disable it or configure it to a ...
  6. questionI'm receiving the error "'Too many security failures".
    VNC has a 'blacklisting' scheme that blocks an IP address after five unsuccessful connection attempts. The IP address is initially blocked for ten seconds, but this doubles for each unsuccessful attempt thereafter. A successful connection from an IP address resets the blacklist timeout. This is ...
  7. questionI'm receiving the error "Failed To Connect: Connection Refused (10061)".
    This error normally indicates that an endpoint was reached by the connection attempt (so some kind of host/computer) but that no service was running on that port and so the connection was refused. Common causes of this problem are: That the service is not running That the service is not running ...
  8. questionI'm receiving the error "Server licence key is missing, invalid or has expired."
    If you have already entered your trial license but are receiving this error, then it's likely you've entered the license key on the wrong computer. Please make sure that you have entered the license key on the VNC Server computer (this is the computer that you are connecting *to*). To obtain a t ...
  9. questionI'm receiving the error "No Matching Security Types".
    You will receive this error when: You try to connect to a VNC Server that has encryption set to 'always on' from a VNC Viewer that does not support encryption You are connecting from an Enterprise/Personal Edition Viewer that has encryption set to 'always on' to a VNC Server that does not suppo ...
  10. questionI'm receiving the error "An attempt was made to access a socket in a way forbidden by its access permissions (10013)"
    This error normally occurs because the VNC Server PC has some internet security software operating that prevents the VNC Server software from binding to a port. This theory can be tested by disabling any Internet security software (such as Norton, ZoneAlarm, Kaspersky, MacAffee) temporarily to ...
  11. questionI'm receiving the error "The requested name is valid, but no data of the requested type was found (11004)."
    Winsock Errors are Microsoft Windows Sockets (TCP) errors, not RealVNC errors, and are not directly related to RealVNC software. This specific Winsock error implies some type of Name Resolution issue within the network environment. RealVNC software does not directly perform any type of Name Res ...
  12. questionI'm receiving the error message "Connection aborted (10053)."
    This error means that VNC Server has aborted the connection. The established connection was aborted in the host machine, possibly due to data transmission time-out or a protocol error. Please see the Application Event Log of the VNC Server machine, for a more detailed error message, on why the c ...
  13. questionI'm receiving the error "A socket operation was attempted to an unreachable host. (10065)."
    This error means that a socket operation was attempted to an unreachable network. It usually means that the local software (in this case VNC Viewer) is unable to find a route to reach the remote host (VNC Server computer). It could suggest an underlying network issue, or is more likely simply a ...
  14. questionI'm receiving the error "A socket operation was attempted to an unreachable network (10051)".
    This error means that a socket operation was attempted to an unreachable network. It usually means that the local software (in this case VNC Viewer) is unable to find a route to reach the remote host (VNC Server computer). It could suggest an underlying network issue, or is more likely simply a ...

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