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Editorial Team
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Asked: 2026-05-13T07:50:06+00:00

I have a VB script which connects to a local SQL database to retrieve

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I have a VB script which connects to a local SQL database to retrieve a value. The exact same script runs on about 100 servers, but a few of the servers produce this error:

[DBNETLIB][ConnectionOpen (PreLoginHandshake()).]General network error. Check your network documentation

Here is the code that runs:

Function GetPrimaryServerID
On Error Resume Next
Set objConnection = CreateObject("ADODB.Connection")
Set objRecordSet = CreateObject("ADODB.Recordset")
objConnection.Open "Provider=SQLOLEDB;Data Source=127.0.0.1;Initial Catalog=xxx;User ID=xxx;Password=xxx"
sqlquery = "SELECT ServerID FROM tblSettings"
objRecordSet.Open sqlquery,objConnection
objRecordSet.MoveFirst
GetPrimaryServerID = objRecordSet("ServerID")
objRecordSet.Close
objConnection.Close 
End Function

The error occurs on the 5th line when trying to open the connection string. I’m confused as to why this script is working on nearly all servers and failing on only a handful. The database that they connect to is identical on every server in terms of structure, its only the data that changes.

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1 Answer

  1. Editorial Team

    Fixed the problem by doing the following:
    Opened SQL Server Configuration Manager and went to Protocols for MSSQLSERVER -> TCP/IP. In the ‘IP Addresses’ tab, I noticed that IP2 which has address of 127.0.0.1 was active but not enabled. Changed to enabled and restarted SQL services. My VB script now successfully opens the connection to 127.0.0.1.

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