Outlook keeps asking me to confirm a security certifcate

I am using the Outlook 2016 desktop app bundled with Office 2016 Professional Plus.

I have just set up outlook and am finding that everytime I launch it asks me to confirm a security certificate.

I have 'installed' the cert several times, but I am still asked each time I load Outlook. I have installed it as 'current user'.

I know the image says the Principal name is incorrect, I have checked this with my webhost and they have confirmed there is nothing wrong with the cert.

Many thanks

Michelle

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Answer
Answer

I found the answer.

I let Outlook connect the account automatically and it assumed the incoming and outgoing mail servers. Unfortunately, the guess was good enough to connect but created a mismatch with the certificate.

I corrected the server details manually (File, Info, Account Settings, Account Settings, then double click the account to be changed) and all is once again well in my world. Do close and reopen Outlook after changing the settings this way as it plays havoc with send/ receive.

A perplexed user

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Last updated July 29, 2021 Views 14,787 Applies to: