C:\Windows\system32>mysql -uroot

Welcome to the MariaDB monitor.  Commands end with ; or \g.

Your MariaDB connection id is 3

Server version: 10.1.18-MariaDB mariadb.org binary distribution

Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> install soname 'auth_gssapi';

Query OK, 0 rows affected (2.35 sec)

MariaDB [(none)]> create user 'ostc' identified via gssapi;

Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> quit

Bye

C:\Windows\system32>mysql -uostc

ERROR 2059 (HY000): Authentication plugin 'auth_gssapi_client' cannot be loaded:

 The specified module could not be found.

C:\Windows\system32>mysql -uostc --plugin-dir="C:\Program Files\MariaDB 10.1\lib

\plugin"

Welcome to the MariaDB monitor.  Commands end with ; or \g.

Your MariaDB connection id is 5

Server version: 10.1.18-MariaDB mariadb.org binary distribution

Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.