Ticketek has been forced to put on more staff today as Crows and Power fans scramble for finals tickets.
Club members will have access from 9am, then public sales open at 2pm.
Those who want a seat should ensure they're registered as a My Ticketek member and have their club membership barcode ready.
There's a limit of 2 tickets per member and a max of 8 tickets per transaction.
Those who want a family ticket need to enter 2 valid adult club memberships and 1 or 2 valid junior club memberships.
While older supporters who don't use the internet will be forced to line-up or call 132 849.
Adelaide take on GWS at Adelaide Oval in the first qualifying final on Thursday September 7 @ 7.20pm.
Port play the Eagles in their elimination final at Adelaide Oval on Saturday September 9 @ 7.20pm.
It's also believed the AFL is working closely with Virgin Australia to try and get as many fans as possible to interstate games by putting on thousands more seats.