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Unable to telnet on port 25 on exchange 2010 CAS Active- Active node

    Pertanyaan

  • Hi, have two CAS server on active active configuration using NLB, and two malbox server. The CAS server's have the hub transport, and client access role's.

    few days ago, one of the CAS server stop to response to the telnet, the firewall is down so isn't a port block issue. As a result of that, the other CAS server have the processor at 95%.

    any ideas?

    21 Juni 2012 17:03

Jawaban

  • Telnet to IP, but DNS works fine.

    Solve the issue updating the network driver and the error dissapear.

    Tks.!

     

    No DNS servers could be retrieved from network adapter 00000000-0000-0000-0000-000000000000. Check if the computer is connected to a network and Get-NetworkConnectionInfo returns any results.

    <input id="af9ba51d-b7a6-4a2d-a6bf-c03c5650330e_attachments" type="hidden" />
    22 Juni 2012 14:19

Semua Balasan

  • Restart the services or reboot the server? What troubleshooting steps have you done so far?

    21 Juni 2012 17:13
  • Restart the services or reboot the server? What troubleshooting steps have you done so far?

    I rebooted the server, check the

    services and are all up. In the event viewer this error appears almost one time in a day

    No DNS servers could be retrieved from network adapter 00000000-0000-0000-0000-000000000000. Check if the computer is connected to a network and Get-NetworkConnectionInfo returns any results.

    21 Juni 2012 20:55
  • And this appears five times this year

    Process MSEXCHANGEADTOPOLOGYSERVICE.EXE (PID=1440). Error 0x8007267c occurred when DNS was queried for the service location (SRV) resource record used to locate a domain controller for domain "domain.com"

    21 Juni 2012 20:56
  • Hi
      Do you telnet ip of this server or server name of this server ? 
      According to your error , it is just dns issue not exchange.

    Terence Yu

    TechNet Community Support

    22 Juni 2012 7:18
  • Telnet to IP, but DNS works fine.

    Solve the issue updating the network driver and the error dissapear.

    Tks.!

     

    No DNS servers could be retrieved from network adapter 00000000-0000-0000-0000-000000000000. Check if the computer is connected to a network and Get-NetworkConnectionInfo returns any results.

    <input id="af9ba51d-b7a6-4a2d-a6bf-c03c5650330e_attachments" type="hidden" />
    22 Juni 2012 14:19