The Windows Powershell snap-in 'Symantec.EnterpriseVault.PowerShell.Snapin' is not installed on this computer.
To run PowerShell cmdlets directly, first run the Enterprise Vault Management Shell.
Click Start > Programs > EnterpriseVault > EnterpriseVaultManagement Shell.
PowerShell opens and loads the Enterprise Vault snap-in which makes the backup
mode cmdlets available in the shell.
Note: On 64-bit Windows operating systems, you must run the Enterprise Vault PowerShell snap-in under the 32-bit version of PowerShell. The 32-bit version of PowerShell is installed in:
%SystemRoot%\SysWow64\WindowsPowerShell\v1.0.