Another reason that you are facing this error is that the antivirus is blocking your mail configuration. To verify you can disable antivirus and check if the issue is fixed.
There are 2 methods to disable antivirus security.
Method 1:
Open Control Panel.
Go to “Security and Maintenance”
Click Security.
Select “View in Windows Security”
Click Disable.
In the same window follow the same steps to disable the “Firewall” if disabling antivirus doesn’t fix the problem.
Method 2:
Disable the antivirus program directly from the app.
- Open antivirus.
- Go to “Settings”
- Select “Disable”
This will disable antivirus for the time limit you choose.
Here we recommend you restart your computer then launch Outlook to check if this troubleshooting method has resolved pii_email_37f47c404649338129d6 this issue. If not then move to the last method.