When Outlook 2013 is opened on desktop and a Security Alert for a certificate issue is displayed:
Solution:
- Close Outlook 2013
- On your desktop, go to START > in the search bar type CMD
- In the command line, type ipconfig /flushdns
- When it has completed, type exit
- Open Outlook 2013
- You will see the same Security Alert, but it will be the last time
- Click Yes and/or Allow for any windows that pop up
- Close Outlook and reopen it one more time to make sure the Security Alert does not show.
- If the Security Alert shows again, proceed to step 6.
- Finished
- Close Outlook 2013
- On your desktop, go to START > Control Panel > Mail > Show Profiles…
- Select and Remove any profiles in the box except "Outlook"
- Click Add…
- Enter a profile name for your corporate email account > Ok
- The system will auto recognize your AceInfo email information. If not, manually enter it > Next
- Click Yes/Allow to any windows that pop up
- Enter your email password if/when prompted, fill in the "Remember my Password" box > Finish
- Open Outlook 2013 and sign in, you will have no more issues but your inboxes will take some time to reload.