SEVIS record status


I applied for Change of Status from H4 to F1 on 18 Nov 2016 with Program Start Date as Jan 01 2017. However, I did not get any reply from USCIS till 10 March 2017. On 10 March 2017 I got RFE which mentioned that SEVIS status is cancelled. I contacted my university and they have raised request to update my SEVIS status. My concern is how manny days does SEVIS take to update record as I have been given only 3 weeks to reply to RFE. Can I get it new I20 with same SEVIS Id within the time frame?

Your DSO is the best person to update on the SEVIS timelines and details. Not sure, how it would work. Please check with your DSO.