Hi I am using the Ticket ACL here: http://doc.otrs.org/3.1/en/html/ch18s03.html to limit which queues certain customers can see by checking their customer id. This works nicely, but now I want to add a lot more customer id values.... Does the UserCustomerID Parameter below have any limitation in the values you can pass to it? I was hoping to list around 50-100 customer id's without hindering performance. These customerid's are pulled from Active Directory by the way. See below example of my config. Example of my config: $Self->{TicketAcl}->{'Limit queue selection for customers'} = { # match properties Properties => { # current action match properties CustomerUser => { UserCustomerID => ['value1','value2','value3'....'valuen'], }, }, # return possible options (white list) Possible => { # possible ticket options (white list) Ticket => { Queue => ['queue1','queue2 '], }, }, }; Thanks, Isaac