How can I change my visa from tourist to non-B in Hanoi, and are there any specific requirements I should know about?

The inquiry focuses on the experience of changing a tourist visa to a non-B visa while transitioning from Thailand to Hanoi. The poster is looking for insights about potential background checks and the overall process, with a mention that a school has indicated the process in Vientiane is easier. One comment points out that applicants need to check the requirements on the Hanoi embassy website, emphasizing the importance of verifying if an appointment is necessary, and clarifies that the applicant will be applying for a new visa rather than changing an existing one.