If copying the Virtuoso server binary (virtuoso-iodbc-t) manually to replace an existing binary the Virtuoso plugins in the ~/hosting directory of the new Virtuoso installation should also be replaced, as there are some incompatibilities with previous plugin versions.If copying the Virtuoso server binary (virtuoso-iodbc-t) manually to replace an existing binary the Virtuoso plugins in the ~/hosting directory of the new Virtuoso installation should also be replaced, as there are some incompatibilities with previous plugin versions.