Whether the site is within a legacy group.
Namespace:
BerkeleyDBAssembly: libdb_dotnet52 (in libdb_dotnet52.dll) Version: 5.2.28.0
Syntax
Remarks
Specify the site in a legacy group. It would be considered as part
of an existing group, upgrading from a previous version of BDB. All
sites in the legacy group must specify this for themselves (the
local site) and for all other sites initially in the group.