Hi [NAME] Phyo IPS,   There was an old post about resetting Compellent storage admin password, you can refer to the topic here: [URL]   If this doesn't work, it is suggested to contact co-pilot support to their guidance to help reset the password. 
How to reset admin password on Dell SCV2020 I have ip address and MSC How can I do it
How to reset admin password on Dell SCV2020