The name of the mailstore. This name must be unique amongst all
of the mailbox stores in the Active Directory tree. A naming scheme
of Mailbox Store N (ServerName) where N is an integer that is
unique on this server is recommended.
<sourceMailStores/ sourceMailStore/ megabytes>
The size of disk storage or the size of an adjustment.
The Fully Qualified Domain Names (FQDN) or IP Address of the
domain controller to use for this procedure.