The banner message text to be displayed in WCM can be defined in the following text component with variable name "banner". This name is used by WCM to retrieve the message to be display.
The page property "custom-banner-enabled" is used to enable or disable the message. Set the value to "true" to enable the banner message on WCM. Set it to anything else to disable it.
Type the message below:
AEM Author (author.sfu.ca) will be unavailable on Wednesday, December 14 between 3.30-5.30pm for scheduled maintenance.
If you're experiencing any issues after the scheduled outage windows, please email cms-help@sfu.ca.