U can not reconnect it, but u can find it and stop it

select * from fn_trace_getinfo(0)

u can find traceid and to stop run below:

sp_trace_setstatus [ @traceid = ] trace_id , [ @status = ] status

0 - Stops the specified trace.

1 - Starts the specified trace.

2 - Closes the specified trace and deletes its definition from the server.