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Editorial Team
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Asked: 2026-05-27T23:41:53+00:00

I have four machines: XP with SQL 2000 (Machine A, the one I’m having

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I have four machines:

  • XP with SQL 2000 (Machine A, the one I’m having problem with)
    • firewall:off
    • port:1433
  • XP with SQL 2000 (Machine B)
    • firewall:off
    • port:1433
  • XP (Machine C)
  • XP (Machine D)

Note:

  • All machines are in one workgroup
  • All have dynamic IP addresses

Tests Done:

Machine A:

  • ping Machine B – OK
  • ping Machine C – OK
  • ping Machine D – OK
  • telnet B on port 1433, error
  • connect to local SQL – OK
  • connect to Machine B’s SQL – ERROR

Machine B:

  • ping Machine A – OK
  • ping Machine C – OK
  • ping Machine D – OK
  • telnet A on port 1433, error
  • connect to local SQL – OK
  • connect to Machine A’s SQL – ERROR

Machine C:

  • ping Machine A – OK
  • ping Machine B – OK
  • ping Machine D – OK
  • telnet A on port 1433, error
  • telnet B on port 1433, error
  • connect to Machine A’s SQL – ERROR
  • connect to Machine B’s SQL – OK

Machine D:

  • ping Machine A – OK
  • ping Machine B – OK
  • ping Machine C – OK
  • telnet A on port 1433, error
  • telnet B on port 1433, error
  • connect to Machine A’s SQL – ERROR
  • connect to Machine B’s SQL – OK

Error Print Screen

I can’t connect to Machine A’s SQL Server. A and B have the same configurations, they have no network problems, but why A is not working? How to troubleshoot this? Please I’ve read enough articles from Microsoft. Anybody encountered the same problem before? Is there any chance that a pc can be pinged but has a problem in physical network?

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1 Answer

  1. Editorial Team

    Are you sure A’s SQL service is listening on 1433? Also, are there any firewalls preventing A from connecting on its SQL port?

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