In order to create the Storage Pool in the DPM you can use the following three types of Disk Storages,
Direct attached storage (DAS)
Storage area networks (SAN)
Windows-certified iSCSI devices
Note: It is possible to add RAID volumes to your storage pool, but some common RAID configurations, such as RAID 5, are less suitable for use with DPM [...]
Important: Prior to installing the DPM, make sure that you have a Domain User account that is already a member of Domain Administrators Group.You can install DPM by using a local administrator account. However, most configuration tasks require domain user privileges.
On the [Microsoft System Center Data Protection Manager 2007] screen, click [Install Data Protection Manager] [...]
[Right Click] on the Command Prompt, then select [Run as Administrator]
Open the [Server Manager].
Expand [Server Manager] to the [Roles] node, and then select [Roles].
Open the [Server Manager].
Expand [Server Manager] to the [Features] node, and then select [Features].
Firstly, remember that Microsoft encourage everyone to use a 64-bit servers to install the DPM 2007. But this doesn’t stop you installing the DPM on a 32-bit server.
Other requirements are as follows,
Here are the requirements that you should consider prior to install the System Center Data Protection Manager 2007.
You must select a single-purpose, dedicated server. Do not consider your Domain controller or any other Application installed server for this purpose.
If the selected server is a part of a cluster, then use the Cluster Administrator Tools to [...]
Go to [Start] > [All Programs] > [Accessories]
Then right click on the [Command Prompt] to select [Run as Administrator]