Users are using cert or forms authentication.
When we run a query on the ss_sessionvar5 table, there are only rows for users using certificates. Users authenticating with forms authentication do not show up in the query.
Release : 12.8.06a
This table is used by the "Persist Authentication Variables" feature (under scheme setup in the authentication scheme). The authentication schemes that will write to the table are:
Other auth schemes will not write these entries because they do not have the variables that are written to that table.