HP Storage Mirroring V4.5 Software - Manual (Page 148)

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If the SQL Server service is not using the same domain user account on the source and target
servers, the SQL Service Principal Names (SPNs) of the source and target servers must be
modified.
Assigning SQL Server System Administrators permission
The user must be assigned the System Administrator role on the SQL server.
1. Start SQL Server Enterprise Manager (SQL Server 2000) or SQL Server Management Studio
(SQL 2005).
2. Expand the Security folder under the server.
3. Select Logins.
4. Create a login for the user, if one does not already exist.
5. Select Server Roles.
6. Double-click the System Administrators (SQL Server 2000) or sysadmin (SQL Server 2005)
role.
7. Click Add, select the user, and click OK.
8. Click OK on the Server Role Properties dialog box to save the change.
SharePoint credentials
Proper rights must be assigned to the account that is entered when the Application Manager prompts
for credentials. If these credentials are not properly assigned, you will be prompted to enter alternate
credentials before protection can be enabled.
For SharePoint, you should first configure all permissions as described in
Application Manager
credentials on page A-1. In addition, the user must have the same permissions as are required for
SQL. For more information, see SQL credentials on page A-8.
The source SharePoint configuration (for either standalone or farm) has an administrator account that
must be specified when you are installing and configuring SharePoint. You will need to use that farm
administrator account when logging into the Application Manager (
domain\username
).
Additionally, the account you use must have local administrator (or equivalent) rights on the following
servers:

Source front-end web server

Source back-end SQL server

Target front-end web server/back-end SQL server
In order to extend the target web server, you will also need to add the Sharepoint administrator
account to the local Domain Admin group on the target server before you extend the target web
front-end server into the farm.
BlackBerry credentials
If you use the BesAdmin account that is created, you will need to add that account to the Storage
Mirroring Admin group on both the source and target servers.
NOTE: The Application Manager will fix this during validation, granting permission to the local
system account on the target. For more information, see Manually set SPN update
permissions on page A-6.
The source and target SQL accounts should use the same domain account so that SQL
SPNs do not need to be updated on failover.