Hi @Jobee 1 Kenobi ,
What's the specific version of the Outlook 2013 client(File>Office account>About Outlook), please first ensure that you have updated to the latest verison of Outlook or install the latest update.
I noticed that it could work for another computer but not your manager's, so have you tried to check if the 2 computer have any differences (such as client version, internet, inside or outside the domain etc.)?
Based on my research, the issue may be affected by the windows credential, as a suggestion, please try to clear your windows credential and re-configure your account to check if the issue has any difference after that(Control panel>credential manager>windows credential>clear the relevant credential of your account).
If that's invaild, I also found a relevant document that introduce other factors and solutions that may affect it, it's recommended to follow it to check if it could work for you.
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Today was my first day back from vacation. I will take a look at this issue tomorrow and let you know what I find out.
Thanks,
Joe B
Hi @Jobee 1 Kenobi ,
Thanks for your reply. Have you tried the methods as we discussed before? If the issue still exists, in order to further confirm it, we could try to Test Email-Autoconfiguration in Outlook client (press ctrl and click the outlook icon > choose Test Email-Autoconfiguration> type the address and password, uncheck Use Guessmart and Secure Guessmart Authentication>click Test >check the OOF URL)
If your issue has any update, please feel free to post back.