The issue has been addressed and patch has been submitted. Refer to Npgsql mailing thread http://lists.pgfoundry.org/pipermail/npgsql-devel/2011-February/001116.html http://lists.pgfoundry.org/pipermail/npgsql-devel/2011-February/001116.html . -- View this message in context: http://postgresql.1045698.n5.nabble.com/could-not-accept-SSPI-security-context-tp3275102p3367884.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general