Due to in-product improvements and the creation of newer tools, the DCM Support Tools site has been deprecated.
Looking for the Flash Validator? Flash display creatives are ineligible to serve from Bid Manager, DCM, and Studio as of January 2, 2017. Going forward, work with your creative development team to build assets using HTML5. This will allow your campaign to reach the widest audience possible across devices and screens. To test HTML5 assets prior to your campaign, check out the HTML5 Validator.
Additional information about Flash deprecation is available in the Help Center