Context Reports have had pages added that are specific to selected Device Types.
Why are these pages seen for some devices but not others, when the devices compared are the same devices?
All supported Performance Management releases
Missing sysServices.0 OID and/or it's value resulting in different type for one device, the one missing the pages.
The properly working device that returns a valid sysServices.0 OID and value has a Type that matches the custom page.
Ensure the Type set on the Device reported on matches the Type configured for the custom page in the Context Report.