Subscribes the user to all user databases in the schema repository (master database).
Sets an explicit flag that specifies whether the user is subscribed to all databases or not. If not set to True and there are no explicit subscriptions, then the user is not subscribed to any databases.
VBScript
user.SetSubscribedToAllDatabases(SubDbs)
Perl
$user->SetSubscribedToAllDatabases(SubDbs);