How to force MsSQL to log in to a file share with an AD account?

Question

Backup

There is a NAS connected to the domain. There is a ball on it, with access rights for a specific user.
Backup is done using a maintenance plan. SQl agent under the required domain account.
From under Windows access to the folder is. MSSQL in logs swears as far as I understand on authorization.
Failed with the following error: "Cannot open backup device '\\*NASPATH*'. Operating system error 5(error not found). BACKUP DATABASE is terminating abnormally.". Possible failure reasons: Problems with the query, "ResultSet" property not s... The package execution fa... The step failed.

Answer 1

Is this sphere and rights added to AD?
The error says that he cannot open the device, because there are not enough rights in AD, most likely this checkbox is missing:

Answer 2

Apparently it will be necessary by the "poke method": we give the rights to the ball to everyone, after the backup has worked - we look who (which account) is the "author" of the file. We think.