On 8/2/24 9:32 AM, Andy Hartman wrote:
How can I tell that?

I don't use NET or npgsql so I getting out of my depth here.

The first thing I would do is look at the package/installer you used to load npgsql for version info.

Second look at Installed Software and see if the version is reported there.


  Thanks.

On Fri, Aug 2, 2024 at 12:18 PM Adrian Klaver <adrian.kla...@aklaver.com <mailto:adrian.kla...@aklaver.com>> wrote:



    On 8/2/24 9:00 AM, Andy Hartman wrote:
    Reply to list also.
    Ccing list.
     > I changed to md5 and I can connect via HeideSQL interface no problem

    Changed what to md5?

    The issue is with Npgsql(?) though.

    What is the Npgsql version?

     >
     > On Fri, Aug 2, 2024 at 11:05 AM Adrian Klaver
    <adrian.kla...@aklaver.com <mailto:adrian.kla...@aklaver.com>
     > <mailto:adrian.kla...@aklaver.com
    <mailto:adrian.kla...@aklaver.com>>> wrote:
     >
     >     On 8/2/24 07:56, Andy Hartman wrote:
     >      > I'm using a Powershell script to connect to a remote
    16.3(windows)
     >      > version of the DB.
     >      >
     >      > Add-type -path 'C:\Program Files
     >      > (x86)\PostgreSQL\Npgsql\bin\net451\Npgsql.dll'
     >      >
     >      > # Define connection strings for MS SQL and PostgreSQL
     >      > $pgsqlConnectionString =
     >      > "Host=xxxxxx;Port=5432;Username=xxx;Password=xx;Database=xxx;"
     >      >
     >      > # Create connection to PostgreSQL
     >      > $pgsqlConn = New-Object Npgsql.NpgsqlConnection
     >      > $pgsqlConn.ConnectionString = $pgsqlConnectionString
     >      > $pgsqlConn.Open()
     >      >
     >      >
     >      > When this statement hits I get an error:
     >      >
     >      > Exception calling "Open" with "0" argument(s): "Authentication
     >     method
     >      > not supported (Received: 10)"
     >
     >     Best bet old library that does not understand scram-sha-256
     >     authentication.
     >
     >
     >      >
     >      > Any ideas?
     >      >
     >      > Thanks.
     >
     >     --
     >     Adrian Klaver
     > adrian.kla...@aklaver.com <mailto:adrian.kla...@aklaver.com>
    <mailto:adrian.kla...@aklaver.com <mailto:adrian.kla...@aklaver.com>>
     >

-- Adrian Klaver
    adrian.kla...@aklaver.com <mailto:adrian.kla...@aklaver.com>


--
Adrian Klaver
adrian.kla...@aklaver.com


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