About Backup Exec Deduplication Credentials and how they are used In backup Exec 2010

Problem

About Backup Exec Deduplication Credentials and how they are used.

Solution

Deduplication Folder Credentials:

The Deduplication Folder Credentials are used by Backup Exec (BE) to access a Deduplication folder.  These credentials consist of a user name and a password.  The Deduplication Folder Credentials are pulled from the BE Logon Account provided when the deduplication folder is created.  These credentials are then set in the deduplication folder's database.  That is, a database user with this user name, and password is created.
 
 
 
Things to note about this user name and password:
  • The user name and password are used to create a database account.  The deduplication software is not using these credentials to log in as a Windows user.
  • It is a good idea to create a new BE Logon Account that is used to manage the deduplication folder.  For example, create a Backup Exec Login account with an account name of Deduplication Folder Credentials, a user name of BEDedupe, and a password of your choice.
      Backup Exec 2012
 
 

It is a good idea for the user name to not be the same as a Windows user name to minimize confusion.  It is not required though.

  • Do not use the caret ^ or double quotes " or the percent sign % in the password.
  • Once the deduplication folder has been created, the user name associated with the deduplication folder cannot be changed.  
  • If you change the BE Logon Account associated with a deduplication folder, that new account must have the exact same user name as the original.
  • If you change the password for the BE Logon Account associated with a deduplication folder, you must also modify the corresponding password in the deduplication database to match (see below for instructions)
Checking the Password for the Deduplication Folder
 
The following is a way to check if the password being used matches the password for the deduplication folder.
  • Open up a command box.
  • Change directory to the Backup Exec Program Files Directory
    • c:
    • cd \Program Files\Symantec\Backup Exec
  • Run the spauser utility to find the username being used for the deduplication folder.  It will be the one listed as "user 1"
    • spauser -l     (note that -l is a dash followed by a lower case letter "el"
  • Run the spauser utility as if you were going to change the password for the user 1.  In this example, user 1 is "dedupeuser"
    • spauser -c -u dedupeuser
  • When prompted for the "Old Password", type in the password that needs to be verified.
  • If the "Old Password" prompt comes up again, the password is incorrect.  If the "New Password" prompt comes up, then the password that was typed in currently matches the deduplication folder.
  • In either case, press Ctrl-C to break out of the program without changing the password.
 
Changing the BE Logon Account for a Deduplication Folder
  • Bring up the Properties for the deduplication folder (Right Click the deduplication folder and select Properties from the menu.
  • Click the "..." button to the right of the Logon Account to bring up the BE Logon Accounts dialog.
  • Note the user name associated with the current Logon Account
  • Create a new Logon Account.  Select any Account Name and password that meets your needs.
  • However, the user name field must exactly match the user name from step 3.
  • Select this new Logon Account as the Logon Account for the deduplication folder.
  • If the password is different from the original password see Changing the Deduplication Folder Password

Changing the Deduplication Folder Password
  • Bring up the Properties for the deduplication folder (Right Click the deduplication folder and select Properties from the menu.
  • Click the "..." button to the right of the Logon Account to bring up the BE Logon Accounts dialog.
  • Edit the BE Logon Account associated with the Deduplication Folder and change the password.
  • Open a command line window and go to the Backup Exec Program directory.  By default this is located in the C:\Program Files\Symantec\Backup Exec directory.
  • Run the spauser -l command (that is a dash followed by a lower case letter L).  This lists out the database users.  Note the username associated with the first user (user 1)
  • Run the spauser -c -u "user associated with user 1"
  • Provide the old password and then the new password to match the password in the BE Logon Account.
 
Changing the User Name associated with a Deduplication Folder
 
As noted above this cannot be changed.  To find out what user name is associated with a deduplication folder, run the spauser -l command.   See Changing the Deduplication Folder Password


 

 


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