Like other TeamViewer errors, Access to the TeamViewer Server Has Been Denied is an error that prevents users from connecting to other computers, despite everything.
WebTech360 please share how to turn off online mode on TeamViewer quite easily through the article below. Invite you to refer.
Setting a fixed password for TeamViewer is the way we set up this remote control and connection software a permanent user code, regardless of the default code that TeamViewer provides each boot.