Here are the steps that need to be taken to become a VMware Certified Design Expert (VCDX4). When you already are a VCP4 or VCDX3, there’s an upgrade path available.
1. Be a VMware Certified Professional on vSphere 4 Pass the VCAP - Datacenter Administration Exam
2. Pass the VCAP - Datacenter Design Exam
3. Submit a VCDX4 Application that is accepted
4. Successfully present and defend a VMware Infrastructure Design and Implementation Plan
VMware no longer requires qualifying exams to be taken in a specific sequence. However, required exams must be passed before the start of the application submission and defense process.
VMware Certified Design Expert (VCDX) is the highest level of VMware certification. This elite group is comprised of design architects highly-skilled in VMware enterprise deployments and the program is designed for veteran professionals who want to validate and demonstrate their expertise in VMware virtual infrastructure.
http://mylearn.vmware.com/mgrReg/plan.cfm?plan=16663&ui=www_cert
