Daktronics

DMP-8065 frequently losing connection to control computer, IPv6 causing NIC failure

Potential Symptoms

  • DMP-8065 frequently losing connection to control computer, IPv6 causing NIC failure.
  • DMP Event Viewer errors:
    • The ICS_IPV6 failed to configure IPv6 stack.
    • The UPnP Device Host service depends on the SSDP Discovery service which failed to start because of the following error: The service cannot be started, either because it is disabled or because it has no enabled devices associated with it.
    • The ICS_IPV6 was unable to allocate bytes of memory. This may indicate that the system is low on virtual memory, or that the memory manger has encountered an internal error.
  • Connection to the DMP via VNC, web configuration, or Venus 1500 will stop randomly and require a reset to resolve.
  • Communication may hang on Get Status.
  • Sending content may take far longer than usual.
  • Send content may fail after an extended delay.
    dd4142044.png

Environment

  • Product: GP4
  • Component: DMP-8065
  • Control System: Venus 1500

Cause

  • Unknown.

Resolution

Prefer IPv4 over IPv6 in prefix policies.  See: Display Studio: system crashes with button use, IPv6 enabled

For Temporary Operation

Disable IPv6 on both of the DMP-8065's network adapters.
  1. VNC into the DMP-8065.
  2. Navigate to Network Connections in Windows.
    2.png
  3. Right click on the Local Area Connection network adapter and select properties.
  4. Uncheck IPv6 so it is disabled.
    1.png
  5. Repeat set for the other network adapter on the DMP.

KB ID: DD4142044

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