Per this latest KB Article, you’re better off just biting the bullet and requesting a CA issued certification for any PXE-enabled Distributions Points in CM2012. Otherwise, left unattended, a flood of files will be generated until the server runs out of disk space.
Read the full KB Article ID: 2713467: A PXE enabled Distribution Point that uses a self-signed certificate will generate many files in System Center 2012 Configuration Manager

Dwayne Allen: I ran into the same issue with $Form.TopMost = $True not applying when...
roncrumbaker: Great link! Lots of information out there...and yes, there are many v...
Geoff Buckingham: Been trying to get some work done on mine for a long time ... without ...
Clint Huffman: Page file sizing depends on the crash dump setting of the system as we...
TGH: We try our best over at www.techygeekshome.co.uk ! mostly out of our o...