Outlook 2016 0x800CCC0F 'The connection to the server was interrupted'

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ofw62

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
Sometimes, when launching Outlook 2016 the very 1st/first time, after booting, I am getting the following error: 0x800CCC0F 'The connection to the server was interrupted'

Outlook contains 5 email accounts: 2x gmail, 2x some other ISP and 1 Outlook.com
All are using POP3
There are no issues with the other mail accounts. The issue only occurs with Outlook.com
Outlook: pop-mail.outlook.com

- the account has been set up correctly and is working normally, except above.
- a pst repair makes no sense - there is nothing wrong with the pst files
- have increased the server timeouts setting from 1 -> 3 minutes does not help
(File->Account Settings->Account Settings->Change->email tab->More Settings->tab: Advanced->Server Timeouts)
- disabling AV does not help
- Internet connection works properly

After about 5-6 minutes the mail can be retrieved without problems.
The problem will not occur anymore the entire day. Actually it may not occur the next day, or the day thereafter.
It could very well be that a week passes by without this issue.
I always use the same set of applications after pc boot.

So:
- occasional issue only as at 1st launch only
- 'automatically' solved after waiting a couple of minutes.

I have seen many posts about this 0x800CCC0F error on Internet, with the default 'solutions' : checking Outlook and ISP settings.
Usually these threads end up with these 'default solutions', i.e. there is no feedback anymore as to whether or not the matter has been solved.
Also folks reporting this error are facing it very regular/constantly, not just once every xx days and only at 1st launch.

Probably I need to live with this 'glitch', but nonetheless I am curious to know what might be the problem.

Thanks!

System:
Windows 10 x64
MS Office 2016 32b
 

Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
Correct, most of those typical troubleshooting steps won't make a difference - security software installing adding would be the main cause on the client side. I'm guessing (because of the intermittent nature of the error) is that it's something goofy with the ms servers, not your end.
 
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