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Bug #962

Unable to Connect to Server With Outlook 2010 on Windows 7

Added by Daniel Curtis about 2 months ago.

Status:
New
Priority:
Normal
Assignee:
Target version:
-
Start date:
07/27/2021
Due date:
% Done:

0%

Estimated time:
0.50 h

Description

I was unable to connect Outlook 2010 on Windows 7 using a newer dovecot IMAP server. It turns out TLS v1.2 was not enabled by default. To enable it the following registry edits must be done.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\WinHttp
  • Create a DWORD value called DefaultSecureProtocols set to 0xA00.
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\WinHttp
  • Create a DWORD value called DefaultSecureProtocols set to 0xA00.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client
  • Create a DWORD value called DisabledByDefault set to 0.

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