I have cleared the 350-029 service provider written exam . i have successfully registered on the cisco.com. But when i enter my CSCO ID to book a lab exam i am getting the error message "invalid input please try again" .
Please do the needful.
Kindly open a case with the ìCertifications and Communityî forum - www.cisco.com/go/certsupport and you can mention your issue.
CCIE DC# 44972