Reg delete 'HKCU\Software\Microsoft\Office\14.0\Outlook\Autodiscover' /v ExcludeSrvRecord /fĪfter deleting the xml and the registry entries, I run a repair on the email account and it accepts the new password. Synchronization between the server and client application is done so that whenever there is any modification in the Server-side or client-side, the change gets updated on the. Outlook for Mac facilitates offline working in an Exchange environment. It facilitates offline working in an Exchange environment. Reg delete 'HKCU\Software\Microsoft\Office\14.0\Outlook\Autodiscover' /v ExcludeSrvLookup /f Outlook for Mac provides Exchange connectivity in a Mac environment. Reg delete 'HKCU\Software\Microsoft\Office\14.0\Outlook\Autodiscover' /v ExcludeScpLookup /f Reg delete 'HKCU\Software\Microsoft\Office\14.0\Outlook\Autodiscover' /v ExcludeHttpsRootDomain /f Reg delete 'HKCU\Software\Microsoft\Office\14.0\Outlook\Autodiscover' /v ExcludeHttpsAutodiscoverDomain /f Reg delete 'HKCU\Software\Microsoft\Office\14.0\Outlook\Autodiscover' /v ExcludeHttpRedirect /f Reg delete 'HKCU\Software\Microsoft\Office\14.0\Outlook\Autodiscover' /v PreferLocalXML /f

The last successful fix only required deleting the autodiscover.xml file from c:\users\username\appdata\local\microsoft\outlook and then deleting these keys, taken from a batch file I've created to speed up the process:

We've narrowed it down to an autodiscover issue on our affected PCs. (Nopte: Depending on your OS and version of Office/Outlook, you may have to tweak it a bit (ie Outlook 2007 '12.0' instead of '14.0', etc)