SUMMARY:
When applying a mobile configuration on an iOS mobile device running Strategy Mobile 10.6 with Certificate Server security enabled, the following error message occurs, preventing the user to apply the configuration:

CAUSE:
This is a known issue with Strategy Mobile 10.6 (10.6.0000.7893).
ACTION:
This issue has been addressed with Strategy Mobile 10.6 build 10.6.0100.7900, available on the iOS App Store.
Upgrade Strategy Mobile on the device through the iOS App Store or download Strategy Mobile 10.6 (10.6.0100.7900) from the Strategy Download site and distribute the update through iOS Enterprise Deployment (KB249929: What are the Requirements to Compile MicroStrategy 10.0 Mobile iOS SDK?).