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18.30 magic domain hour?

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  • 18.30 magic domain hour?

    Hi all,

    I have a W2003 domain server with 10 machines connected.
    All run ok but somewhat due estrange reason about 18.30 to 19.00 some users lost their connections, can't save the files to the server, can't navigate into the folders servers. It seems that the server comes busy?. Finally if you wait about 4 minutes, you can save the file at the server.

    I have not any estrange process in the server, no antivirus, backup tool, defrag tool at that time... All the rest of the day runs perfectly.

    I have read on petri site and forums about AD replications timing, etc. but I am not sure if this affects my problem? Could you help to know what is this Active Directory replication? Why it is necessary? Could you help to find what is happening at this magic hour?

    Thank you a lot

  • #2
    Re: 18.30 magic domain hour?

    Anything in the Event Viewer?
    1 1 was a racehorse.
    2 2 was 1 2.
    1 1 1 1 race 1 day,
    2 2 1 1 2

    Comment


    • #3
      Re: 18.30 magic domain hour?

      Hi,

      Thank you for your response

      I can't see anything special at the Event window... Where I must to see? Security? File access?

      Comment


      • #4
        Re: 18.30 magic domain hour?

        if you know that its happening at this time...
        i would connect to that box at the time... and check proc's...
        i am sure it will give you a direction.

        and like biggles77 sayed... check the event viewer
        MCSE 2000 Done
        RHCE Done

        Comment


        • #5
          Re: 18.30 magic domain hour?

          Hi all again,

          It seems then that there isn't anything related to AD replications times?

          I will see the proccess at 18.30 for viewing something, I am not sure what I must to see, but I will try it

          If you got new ideas, please tell me.
          Thank you both for reply me!

          Comment


          • #6
            Re: 18.30 magic domain hour?

            I ve got a screenshoot as you said at this fatal time!
            It seems (traslated into english)

            "The system has detected a duplicate name at TCP network, etc."

            How can I see what is the that conflicts? The system (please see screenshoot) show me that I can find more info in that window, but I can't.

            Your help would be appreciated a lot. Thank you
            Attached Files

            Comment


            • #7
              Re: 18.30 magic domain hour?

              the netlogon worries me.

              >>> "The system has detected a duplicate name at TCP network, etc."
              who is enabling his PC at that time
              Marcel
              Technical Consultant
              Netherlands
              http://www.phetios.com
              http://blog.nessus.nl

              MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
              "No matter how secure, there is always the human factor."

              "Enjoy life today, tomorrow may never come."
              "If you're going through hell, keep going. ~Winston Churchill"

              Comment


              • #8
                Re: 18.30 magic domain hour?

                Thank you dumber,

                Thank you for your reply although Im not sure of what exactly you mean.
                At this time there is nothing different that ocurrs at the server at that special hour. People log at 9.00 and log of usually at 19.00 at the end of its journey

                What do you think? Thank you again for trying to help me.

                Comment


                • #9
                  Re: 18.30 magic domain hour?

                  http://forums1.itrc.hp.com/service/f...hreadId=501577
                  http://www.cctec.com/maillists/lanma.../msg00145.html
                  http://hidev.com/technical/netbios&w...20name%20issue
                  http://support.microsoft.com/default...;EN-US;Q315259
                  http://www.experts-exchange.com/Netw..._21075403.html

                  try the following urls first

                  also see
                  http://www.google.nl/search?hl=nl&q=...twork%22&meta=
                  Marcel
                  Technical Consultant
                  Netherlands
                  http://www.phetios.com
                  http://blog.nessus.nl

                  MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
                  "No matter how secure, there is always the human factor."

                  "Enjoy life today, tomorrow may never come."
                  "If you're going through hell, keep going. ~Winston Churchill"

                  Comment


                  • #10
                    Re: 18.30 magic domain hour?

                    Dumber,

                    Thank you again. I have read all this I have made some changes. At the moment all system works fine but I wait at the fatal time, 18.30... I will inform you!

                    Comment


                    • #11
                      Re: 18.30 magic domain hour?

                      Hi again friends,

                      I tried all above links but I don't understand at all what is the true cause. I tried nbtstat -n but all machines seems registered ok. I also have deactivated the second network card (192.168.0.2) and tried it again, and it occurs de the same

                      I get this message error at this fatal time (and another hours), but...

                      0000: 00 00 00 00 01 00 58 00 ......X.
                      0008: 00 00 00 00 df 10 00 c0 ......
                      0010: 05 01 00 00 04 00 a8 c0 ......
                      0018: c7 00 00 00 00 00 00 00 .......
                      0020: 00 00 00 00 00 00 00 00 ........

                      0000: 00 00 00 00 01 00 58 00 ......X.
                      0008: 00 00 00 00 df 10 00 c0 ......
                      0010: 05 01 00 00 6f 00 a8 c0 ....o.
                      0018: 4b 00 00 00 00 00 00 00 K.......
                      0020: 00 00 00 00 00 00 00 00 ........

                      I tried to convert to IP numbers using some dicctionaries but I can't find the true solution.

                      Please could any one tell me how or where to intestigate? Your help will be very appreciated again. I start to feeling very fustrated with this

                      Thank you very much again.

                      Comment

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