The error seems to be occurring on systems that don’t have S/MIME installed. However, in some instances, the error can also occur due to incorrect configuration of Internet Explore or permissions issues. If you are also bugged by this error, here are a few troubleshooting steps to help you resolve the S/MIME control isn’t available error in Windows 10, 8 and 7 running systems.
How do I make S/MIME control available?
1. Add your OWA in Trusted Sites
Adding your OWA page into Trusted Sites and Compatibility View seem to have fixed the error for many users. Make sure to add the OWA pages into both Trusted Sites and Compatibility View to resolve the issue. SPONSORED
2. Run Internet Explorer as Administrator
Next time you run Internet Explorer, it should launch with administrative privileges. Sometimes the app may require the user to have administrative permission over the browser.
3. Install S/MIME
Note: You may need to reinstall S/MIME if the installation is broken due to a Windows update that may have reset settings. Follow the steps to install S/MIME and fix S/MIME control won’t install error.
4. Disable Encrypted Pages to Disk option
How do I enable S/MIME in Chrome?
The S/MIME control isn’t available error when accessing email or attachments can occur due to several reasons. Follow all the steps in this article one by one to fix the error.
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