С помощью этих скрипов можно посмотреть какие запросы в данных момент выполняются на сервере.

select *
from sys.sysprocesses 
where 
	spid > 50 and 
	spid <> @@spid and 
	status <> 'sleeping'
order by spid, ecid

select 
	session_id, 
	status, 
	wait_type, 
	command, 
	last_wait_type, 
	percent_complete, 
	qt.text, 
	total_elapsed_time/1000 as [total_elapsed_time, сек],
	wait_time/1000 as [wait_time, сек],
	(total_elapsed_time - wait_time)/1000 as [work_time, сек]
from sys.dm_exec_requests as qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) as qt
where session_id >= 50 and session_id <> @@spid