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S/MIME control isn’t available error [Solved]

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Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

If you are using Outlook Web Access (OWA) in Internet Explorer, you may encounter the S/MIME control isn’t availableerror. Due to the issues, users are unable to open email or download attachments.

Theerrorseems to be occurring on systems that don’t have S/MIME installed. However, in some instances, theerrorcan also occur due to incorrect configuration of Internet Explore or permissions issues.

If you are also bugged by thiserror, here are a few troubleshooting steps to help you resolve the S/MIME control isn’t availableerrorin 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 theerrorfor many users. Make sure to add the OWA pages into both Trusted Sites and Compatibility View to resolve the issue.

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 installerror.

4. Disable Encrypted Pages to Disk option

How do I enable S/MIME in Chrome?

The S/MIME control isn’t availableerrorwhen accessing email or attachments can occur due to several reasons. Follow all the steps in this article one by one to fix theerror.

Tashreef Shareef

Tashreef Shareef is a software developer turned tech writer. He discovered his interest in technology after reading a tech magazine accidentally. Now he writes about everything tech from Windows to iOS and streaming services to IoT at WindowsReport.

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Tashreef Shareef

S/MIME control isn’t available error [Solved]#

How do I make S/MIME control available?#

1. Add your OWA in Trusted Sites#

2. Run Internet Explorer as Administrator#

3. Install S/MIME#

4. Disable Encrypted Pages to Disk option#

How do I enable S/MIME in Chrome?#