Hi I have Exchange server 2013 I planed configure ActiveSync for mobile devices, when I try configure mobile device it can not connect to exchange give me "error 503", in Qradar logs i can see what I connected to exchange request reach to local exchange ip
but it not work I do not have autodiscover record, I manually configure mobile, i tried write in mobile config ip or dns record(fqdn of exchange) but same error
System administrator