The ActiveSync OPTIONS command returned an HTTP 401 Error


  • I have coexist exchange 2003 and 2010

    ex 2003 have 2 Mailbox server and one frontend

    frontend is connected to TMG box

    also I have Exchange 2010 environment 2 CAS server and 2 Mailbox server, CAS servers are connecting to ASA firewall

     I was testing exchange 2010 OWA and ActiveSync with logging with a user that still have 2003 mailbox

    OWA was working fine but ActiveSync didn't work so please help

    I have done lots of things such as installing hotfix in exchange 2003 and enabled FBA on 2003 FE

    Reza Negarestani

    Friday, November 1, 2013 2:11 PM