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CONNECT fails once when using TrustedConnection=1 for MSSQL thru ADO.NET
  1. How-to
0 Votes
  1. Michael Kramer
  2. PowerBuilder
  3. Monday, 1 October 2018 03:42 PM UTC

Hi, any of you seen similar behavior where CONNECT using Windows authentication requires repeated CONNECT attempts?

 

What I have:

Setup  ::  PB 2017 R3, #1858 using ADO.NET with MSSQL.
Code  ::  See below

Successful each time
  Fails often, but repeating succeeds each time.

...
this.DBMS = 'ADO'
this.DBParm = "NameSpace='System.Data.SqlClient'"
this.DBParm += ",DataSource= ..."
...
this.DBParm += ",TrustedConnection=1"
this.LogId = ''
this.LogPass = ''
...
CONNECT USING this;
if this.SQLCode 0 then
   ...

 Error info here is as follows:

this.SQLCode = -1
this.SQLDBCode = 999
this.SQLErrText = System.Exception: Failed to get current user name.
at Sybase.PowerBuilder.Db.Block.SqlBlock.Connect(Object[] input, Dbms& dbms, DBVersion& dbVer, String& user)
at Sybase.PowerBuilder.Db.DbRoutine.Connect(DbDrivers type, Object[] input, Dbms& dbms, DBVersion& dbVer, String& user)

It is the CONNECT statement itself that fails with this error message. No embedded SQL form the PowerBuilder app has executed yet.

First attempt at CONNECT using TrustedConnection has approx 50% success rate.

Second attempt has so far had a 100% success rate. We need first attempt to show same success rate.

Any suggestions greatly appreciated!
/Michael

Connecting to Github repository other than Master branch. How do I change “Microsoft Web Browser in OLE custom control...
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