Use the below script to monitor what applications are running anc connecting to Databases or you want to investigate who is login in to the server
USE master
GO
BEGIN
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SELECT
SERVERPROPERTY('Servername') AS ServerName,
Name,
login_time,
last_batch,
s.status,
hostname,
program_name,
nt_username,
loginame,
spid,
CURRENT_TIMESTAMP AS CurrentDate
FROM sysdatabases d
LEFT JOIN sysprocesses s ON d.dbid = s.dbid
Results
