Problem
After clicking Login in DRACOON for Outlook, a blank window without content appears instead of a login mask. At the bottom of the page, the following message is displayed:
"Your version of Internet Explorer is outdated! Please update to Internet Explorer 11 to use this application."
However, Internet Explorer 11 is installed on the PC.
Solution
Recommended solution
Update to DRACOON for Outlook version 6.9 or later because they no longer depend on Internet Explorer.
Solution for DRACOON for Outlook earlier than version 6.9
Add the following value to the Windows registry or modify it as follows if it already exists:
- Registry key:
HKEY_CURRENT_USER\Software\Microsoft\Internet+Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION - Registry value:
OUTLOOK.EXE - Type:
REG_DWORD - Content:
2af8(hexadecimal value)
Restart Outlook afterward, and the problem should be resolved.
Tip: At the bottom of this page you can find a .reg file to download. After double-clicking the downloaded file, the above registry value will be automatically added to your your registry.
Technical background
DRACOON for Outlook uses an embedded Internet Explorer (a so-called WebBrowser control) to display the login screen. By using the registry key HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION a specific Internet Explorer version can be predefined for an application that all Internet Explorer instances within this application will then use. If the application OUTLOOK.EXE has an older Internet Explorer version than 11 set in this registry value, the login to DRACOON for Outlook will no longer work because older Internet Explorer versions than 11 are not supported by DRACOON (also Microsoft no longer supports Internet Explorer versions earlier than 11 since 2016). By setting the above registry value to 2af8, Internet Explorer 11 can be explicitely set for all Internet Explorer instances within the OUTLOOK.EXE process.
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