In Chrome 42 and above, some Flash content may not run automatically, even when the site is explicitly allowed to run Flash without prompting. This is because Chrome has internal rules to suppress Flash content it considers less important to the page. Chrome versions up to version 60 had a flag to eliminate secondary prompting, at:
Google no longer provides this flag in Chrome 61, so Flash content that Chrome considers less important will not run unless the user responds to the browser prompt.
Of course, basic content settings also affect whether Flash is allowed to run, with or without prompting. These were originally provided at chrome://plugins, but more recent versions provide them at:
The following settings are recommended if you wish to minimize prompting when viewing Flash content within ConnectED: