Select the account that this task will run under. If required, you can run different tasks under different accounts.
. If you do not want this task to log on as the Vault Service Account, select and then click to pick from the list of accounts. Enter the account's password and confirm it. The account you pick must have appropriate permissions.
See Creating the Vault Service account for details.
Also, the Vault Service account must have the permission "Replace a process level token".
To add the permissions to the the accounts
On the Windows Start menu, click All Programs > Administrative Tools > Local Security Policy.
In the left pane of the Local Security Settings window, expand Local Policies and click User Rights Assignment.
Add your preferred account to Act as part of the operating system, Log on locally, and Log on as a service.
Add the Vault Service account to Replace a process level token.