As of this release, Open Server on Microsoft Windows platforms support IPv6. Below is a sql.ini file entry where the last two server addresses are in IPv6 format:
[BARNARD_OS] master=tcp,barnards.sybase.com,18200 query=tcp,barnards.sybase.com,18200 master=tcp,barnards.v6.sybase.com,18200 query=tcp,barnards.v6.sybase.com,18200 master=tcp,fd77:55d:59d9:165:203:baff:fe68:aa12,18200 query=tcp,fd77:55d:59d9:165:203:baff:fe68:aa12,18200
