Visual Basic Error Opening 2nd Recordset on ADODB Connection in Microsoft Access

I am trying to open 2 recordsets on the same ADODB connection in Visual Basic code behind a Microsoft access form.  The access database has tables linked to a SQL Server database.  The first recordset opens correctly, however, I get an ODBC connection failed error message (Run-time error '-2147467259 (80004005)') on the second recordset and I'm not sure why.  Code is attached.  Thanks!
Private Sub btnSave_Click()
    Dim dblocal As ADODB.Connection
    Dim rst As ADODB.Recordset
    Dim rstCur As ADODB.Recordset
    Dim stSQL As String
 
    Set dblocal = CurrentProject.Connection
    Set rst = New ADODB.Recordset
    Set rstCur = New ADODB.Recordset
 
 
            stSQL = ""
            stSQL = "SELECT IntSecID FROM tblSecurity WHERE IssuerID = " & txtIssuerID.Value
            rst.Open stSQL, dblocal, adOpenDynamic, adLockOptimistic
            
            If rst.BOF = False Or rst.EOF = False Then
                rst.MoveFirst
            End If
            
            Do While rst.EOF = False
                stSQL = ""
                stSQL = "INSERT INTO tblRatingHistory (StartDate, EndDate, RatingID, RatingSourceID, IntSecID, "
                stSQL = stSQL & "RatingAddedDate, RatingModifiedDate, RatingAddedNTUser, RatingModifiedNTUser) "
                stSQL = stSQL & "VALUES ('" & txtEffDate.Value & "', '9/9/9999', " & cboRating.Value & ", 5, "
                stSQL = stSQL & rst.Fields("IntSecID").Value & ", '" & txtRatingAddedDate.Value & "', '" & txtRatingModifiedDate.Value
                stSQL = stSQL & "', '" & txtRatingAddedNTUser & "', '" & txtRatingModifiedNTUser & "');"
                dblocal.Execute stSQL
                
                '*********************** Update tblRatingCurrent*******************************
                stSQL = ""
                stSQL = "SELECT RatingCurrentID FROM tblRatingCurrent WHERE IntSecID = " & rst.Fields("IntSecID") & " AND RatingTypeID = " & cboRatingType.Value
 
 
 
 
               rstCur.Open stSQL, dblocal, adOpenDynamic, adLockOptimistic    '<---------- Error occurs here
                
                If rstCur.BOF = False Or rstCur.EOF = False Then
                    stSQL = ""
                    stSQL = "UPDATE tblRatingCurrent SET RatingID = " & cboRating.Value & " WHERE RatingCurrentID = " & rstCur.Fields("RatingCurrentID")
                    dblocal.Execute stSQL
                Else
                    stSQL = ""
                    stSQL = "INSERT INTO tblRatingCurrent (IntSecID, RatingTypeID, RatingID) VALUES (" & rst.Fields("IntSecID")
                    stSQL = stSQL & ", " & cboRatingType.Value & ", " & cboRating.Value & ");"
                    dblocal.Execute stSQL
                End If
                
                rstCur.Close
                '******************************************************************************
                
                
                rst.MoveNext
            Loop
            rst.Close

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dskolnAsked:
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dskolnAuthor Commented:
The same code in the development environment (exact replica of the SQL Server 2000 database, but in SQL Server 2005, same access db and code with access tables linked to dev db instead of the prod db) produces a similar, but slightly different error in the same place.  The error in Dev is:

Run-time error  '-2147467259 (80004005)': Method 'Open' of object '_Recordset' failed
dskolnAuthor Commented:
found a work around myself that seems to work by associating the 2nd recordset to a different connection variable.

Code is attached below with the changes commented if anyone is interested
Private Sub btnSave_Click()
    Dim dblocal As ADODB.Connection
    Dim dbcur As ADODB.Connection ' <----------- new line
    Dim rst As ADODB.Recordset
    Dim rstCur As ADODB.Recordset
    Dim stSQL As String
 
    Set dblocal = CurrentProject.Connection
    Set rst = New ADODB.Recordset
    Set dbcur = CurrentProject.Connection ' <---------- New line
    Set rstCur = New ADODB.Recordset
 
 
            stSQL = ""
            stSQL = "SELECT IntSecID FROM tblSecurity WHERE IssuerID = " & txtIssuerID.Value
            rst.Open stSQL, dblocal, adOpenDynamic, adLockOptimistic
            
            If rst.BOF = False Or rst.EOF = False Then
                rst.MoveFirst
            End If
            
            Do While rst.EOF = False
                stSQL = ""
                stSQL = "INSERT INTO tblRatingHistory (StartDate, EndDate, RatingID, RatingSourceID, IntSecID, "
                stSQL = stSQL & "RatingAddedDate, RatingModifiedDate, RatingAddedNTUser, RatingModifiedNTUser) "
                stSQL = stSQL & "VALUES ('" & txtEffDate.Value & "', '9/9/9999', " & cboRating.Value & ", 5, "
                stSQL = stSQL & rst.Fields("IntSecID").Value & ", '" & txtRatingAddedDate.Value & "', '" & txtRatingModifiedDate.Value
                stSQL = stSQL & "', '" & txtRatingAddedNTUser & "', '" & txtRatingModifiedNTUser & "');"
                dblocal.Execute stSQL
                
                '*********************** Update tblRatingCurrent*******************************
                stSQL = ""
                stSQL = "SELECT RatingCurrentID FROM tblRatingCurrent WHERE IntSecID = " & rst.Fields("IntSecID") & " AND RatingTypeID = " & cboRatingType.Value
 
 
 
 
               rstCur.Open stSQL, dbcur, adOpenDynamic, adLockOptimistic    '<---------- Updated line, this is where it used to error out
 
 
 
 
 
 
 
                
                If rstCur.BOF = False Or rstCur.EOF = False Then
                    stSQL = ""
                    stSQL = "UPDATE tblRatingCurrent SET RatingID = " & cboRating.Value & " WHERE RatingCurrentID = " & rstCur.Fields("RatingCurrentID")
                    dbcur.Execute stSQL ' <------------- updated line
                Else
                    stSQL = ""
                    stSQL = "INSERT INTO tblRatingCurrent (IntSecID, RatingTypeID, RatingID) VALUES (" & rst.Fields("IntSecID")
                    stSQL = stSQL & ", " & cboRatingType.Value & ", " & cboRating.Value & ");"
                    dbcur.Execute stSQL ' <------------ updated line
                End If
                
                rstCur.Close
                '******************************************************************************
                
                
                rst.MoveNext
            Loop
            rst.Close
 

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