SQLServer2008 backup device does not open when backing up

As shown, the following happens when you execute a simple backup command of SQL

Problem Analysis:

1: May be a folder directory permissions issue

2: May be a user policy issue logging on to SQL Server

Therefore, the E:\dw_backup folder permissions are read to the owning user has write permission, so troubleshooting may be 1

So the problem is that it happens on the user policy.

So open the SSCM.

Locate the SQL Server service, right-click Properties, default built-in account policy is Network Service, we modify to local System, determine

Note that the above operation restarts the SQL Server service, which may include the SQL Server Agent service and so on, to ensure that each service is OK after rebooting

Then execute the backup SQL again, such as, visible backup OK, problem solved successfully

SQLServer2008 backup device does not open when backing up