What are the reasons for rejection of Dubai tourist visa?

Dubai Visa Rejection Reasons: Reasons to Be Aware

Insufficient Financial Proof. The authorities of the UAE require all applicants to provide enough financial proof to support their stay in Dubai. ...
Incorrect Documentation. ...
Criminal Records. ...
Previous Visa Violation. ...
Inadequate Purpose of Visit. ...
Failure to meet visa requirements.

Why do tourist visas get rejected?

An application may be denied because the consular officer does not have all of the information required to determine if the applicant is eligible to receive a visa, because the applicant does not qualify for the visa category for which he or she applied, or because the information reviewed indicates the applicant falls ...