Does the vSphere 4 upgrade affect the licenses for VMware vCenter virtualization management products?
No, the VMware vCenter virtualization management products (e.g. Site Recovery Manager, Lab Manager, etc) are not affected by this release. You can continue to access the licenses of your current vCenter virtualization management products in the VI3 License Portal. Please be sure to ascertain product compatibility before deploying any other VMware products with vSphere 4. See the Software Compatibility Matrix for more information.