Remote SQL Backup getting Operating system error 5(Access is denied.).

I created a remote backup device with no problem using the following script.

USE master;
EXEC sp_addumpdevice 'disk', 'networkdevice',

however, when I tried to run the following backup script I am getting the error below.

BACKUP DATABASE AdventureWorks2012
   TO DISK = '\\SQLSERVER2\REMOTESQLBAKUPS\AdventureWorks2012.bak';

Msg 3201, Level 16, State 1, Line 1
Cannot open backup device '\\SQLSERVER2\REMOTESQLBAKUPS\AdventureWorks2012.bak'. Operating system error 5(Access is denied.).
Msg 3013, Level 16, State 1, Line 1
BACKUP DATABASE is terminating abnormally.

When I map to this shared folder from the source SQLSERVER1 to the target (\\SQLSERVER2\REMOTESQLBAKUPS) I am able to copy and create files with no problems.

I made sure that the shared folder on \\SQLSERVER2\REMOTESQLBAKUPS is using the same domain account (DOMAIN\ACCOUNT) with full permissions.  So both SQLSERVER1 and SQLSERVER2 SQL server agent are both using the same account as well.

What am I doing wrong?
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RayManAaaAuthor Commented:
OK, this is an update to my last post.  I was able to get the remote backup to work by modifying the NTFS permissions of the shared folder on SQLSERVER2.  I gave "Everyone" group full control, then ran my backup script which ran without any problems.

I am split here and would like to hear what everyone has to say about this.  I really want this to work without using the "Everyone" group.  Also, I am not sure why this is working, as I said in my original post I made sure to give my (DOMAIN\ACCOUNT) full control to the shared folder.

This would lead me to believe that the account that I am assuming that I am connecting with is not the same account that my SQLSERVER1 server is using to connect to SQLSERVER2.  Is there a way that I can tell which account it is using at the time when I run the SQL backup script?

Please keep in mind that I am login with the same (DOMAIN\ACCOUNT) on SQLSERVER1 which has local admin and SQL SA permissions.
Randy Knight, MCMPrincipal ConsultantCommented:
The SQL Server service account is the security context the backup will run under, not the Agent.  You need the account that the SQL Service is running under to have permissions to the share.
RayManAaaAuthor Commented:
I am not sure if I follow you.

The SQL service account that I am using is the same account that the SQL agent is using in the "log on as" settings.  I made sure that this account, lets call it (domain\sqlsecurity) has local admin on SQLSERVER2.  This account also has "owner" permission level set in the  "network file and folder sharing" configuration tab.  

To clarify, when I say using, I am logging into the SQLSERVER1 with the (domain\sqlsecurity) account and starting SSMS.  Once SSMS has connected to SQLSERVER1, I try to run the script above.
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Randy Knight, MCMPrincipal ConsultantCommented:
The account you log in as is not the issue.  You need that account to be the SQL Server service account that is set in SQL Server Configuration Manager or the Services control panel.  Your account has to have permissions to execute the BACKUP command.  The service itself needs to be able to write the backup to the share.

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RayManAaaAuthor Commented:

The (domain\sqlsecurity) is configured to run both the SQL engine and agent, this account has local admin on both servers and SA permissions on both SQL instances. This account also has full control of the shared folder as well.
Randy Knight, MCMPrincipal ConsultantCommented:
If you're getting the Access Denied error, the permissions are not being applied somewhere.  Perhaps there is an explicit deny somewhere?  You might try using AccessChk from sysinternals to see the effective permissions for that account on the share.
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