Cannot verify Server Identity - Advancesa.biz

How to permanently disable this server or get rid of it? I don’t know what it is or what it does. It kept popping up every time I open my IPad, very annoying. Thank you in advance!


iPad Air, 18

Posted on Feb 23, 2025 8:47 AM

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Question marked as Top-ranking reply

Posted on Feb 23, 2025 10:48 AM

Hello Zhi_Yu,


Go to Settings > Calendar > Accounts and delete the calendar subscriptions that you do not recognize. (Note that the name may not include the word "advancesa".)


If you don't see any subscription or suspicious account:


  • Open the Calendar app.
  • At the bottom of the screen, tap Calendars.
  • Look for a calendar that you do not recognize. Tap the More Information button “i" next to this calendar, then scroll down and tap Delete Calendar.
1 reply
Question marked as Top-ranking reply

Feb 23, 2025 10:48 AM in response to Zhi_Yu

Hello Zhi_Yu,


Go to Settings > Calendar > Accounts and delete the calendar subscriptions that you do not recognize. (Note that the name may not include the word "advancesa".)


If you don't see any subscription or suspicious account:


  • Open the Calendar app.
  • At the bottom of the screen, tap Calendars.
  • Look for a calendar that you do not recognize. Tap the More Information button “i" next to this calendar, then scroll down and tap Delete Calendar.

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Cannot verify Server Identity - Advancesa.biz

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