In the Strategy Library Admin page with Strategy 10.11, users receive no error message when connecting to a stopped Intelligence Server. Since the I-Server is stopped, an error message should appear notifying users to change settings.
View the following image below:

Note that an error message appears when under the same scenario in the Strategy Library Admin 10.10.
View the following image for the error message that should appear:

This is a known issue in Strategy Library 10.11. Our engineers are working to enhance the overall Strategy experience.
This issue has been addressed in Strategy Library 11.0. Please upgrade to take advantage of the fix.
For more information on upgrading, please visit this webpage.
Interested in learning more about Library or your Intelligence Architecture? Visit the Learning Center on Community!
Or feel free to register for our Education courses, including 11.311 Administration for Enterprise Analytics.