Optional. Identifies the vault store to use when you create a new archive. If the mailbox is already enabled or disabled, VaultStoreName is ignored. If VaultStoreName is not specified, Policy Manager uses the default vault store.
VaultStoreName is valid only if:
Name=mailboxroot
Enabled=true
VaultName is not specified
The mailbox has never been enabled
Possible values:
The name or ID of the vault store to use
