every time our clients (80% of Outlook2013 clients) launch outlook2013 it will show connecting, if we don't click cancel, the interface of outlook will appear but no responding, after we canceled the connecting windows, the interface of outlook need to click button "need password" only then able to connect exchange. (20% of Outlook2013 clients do not have this issues, other version of Outlook don't have this issues)
We tried solution:
Ensured no other Microsoft office version installed on the PC.
Process repair Microsoft Office 2013.
Restart the PC.
Recreate outlook profile.
Delete all outlook related information in credential manager.
Rekey correct password and remember credential, however next time launch Outlook still
Delete Windows login user account to left only 1
File -> account settings ->account settings -> Edit.. (account) -> More settings... (button on
the bottom) -> Advanced (tab) -> Untick "Download shared folders"
Go to the Exchange account from within Outlook, click special settings, tab connection.
Open up the button proxy settings, UNtick options 3 and 4 (connections with HTTP/then
TCP/IP). Make sure to UNtick both.
The Logon Network settings in security tab should be set to Anonymous
Untick cache mode able solve the issues however the mail speed rely on internet
speed, we cannot apply this solution and we believe has a way to solve this weird issues properly.
We are using exchange 2013.
any advice from experts?