Thank you guys @PhilipDAth @Adam. Problem solved, just like @jdsilva said i use default browser like IE i can get through the splash page.
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Thanks for your response. i think my configuration is same as you suggest. but still have problem. Meraki still let some website not to direct to my hotspot server.
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I think only the antivirus check needs java. Nothing else. Turn this off and java is not used. If you have Systems Manager you can assign policy bar on antivirus being installed.
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