Sometimes when you backup your SQL Server using SQLBackupAndFTP, SSMS or T-SQL Commands you can face the following issue Cannot Open Backup Device Operating System Error 5(Access is Denied). This has to be the most famous issue in taking SQL Server database backups. There are several reasons for this error and there are various ways to solve it. Some time ago we met this issue and for a time we were creating a backup and discovered a very helpful resolution to the issue. The issue was as described beneath:
Msg 3201, Level 16, State 1, Line 4
Cannot open backup device 'D:\Adventureworks.bak'. Operating system error 5(Access is denied.).
Msg 3013, Level 16, State 1, Line 4
BACKUP DATABASE is terminating abnormally.
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