- Windows Server 2003 (or Small Business Server)
- IIS 6.0
- ASP.net 2.0
- MS SQL Server 2000 + SP3 / MS SQL Server 2005 / MS SQL Server 2005 Express Edition (free of charge)
- SMTP server
- optional: SSL certificate

Restrictions:
- IIS, MS SQL, and SiteRemote must run on the same server
- static IP address required (applies only to server)
- SMS provider: at present, only provided by www.mobilant.net/ and www.clickatell.com/

- 2.5 GHz
- 2 GB of RAM
- 50 GB of hard drive space (10 GB per 100 machines)

- DELL XEON DUAL 2.8 GHz
- 2 GB of main memory
- 200 GB hard drive