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Thank you all for your quick responses. &nbsp;I appreciate your help.
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Thank you all for your quick responses.  I appreciate your help.

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I have an old HP ML150 server which is no longer used. &nbsp;The operating system is Small Business Server 2003.<br />
What inexpensive (or free) software can be used to erase the data on the drives?
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I have an old HP ML150 server which is no longer used.  The operating system is Small Business Server 2003.
What inexpensive (or free) software can be used to erase the data on the drives?

Erase drives

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).