mail client use ms.outlook 2007, everything ok when it's use first time after setup, next business day it's show error and status disconnect
"Task 'Microsoft Exchange Server' reported error (0x8004011d): 'The server is not available. Contact your administrator is this condition persists."
i've follow this instruction,but not works.
*support.microsoft.com/kb/923575
*forums.msexchange.org/Error_%280x8004011D%29_The_server_is_not_available/m_30795900/tm.htm
note.first time after setup mail client,there's no certificate required pop-up, now each time open it, it's show certificate alert
in security alert,show cross : the name on the security certificate is invalid or does not match the name of the site
::Answer::
it's depend on certificate,we have not use before,after installed granted cert. everything OK.
if you use MS.Exchange Server 2013,client minimum used XP sp3 and MS.Outlook 2007 SP3