So you thought your environment was getting complex, what with the VPN and RWW, roaming Exchange/HTTP users and the bosses new smartphone. Well here's a reality check, courtesy of some figures from Microsoft's own Exchange messaging environment.

• 116 servers running Exchange Server 2003 (including passive clustered nodes), of which 63 of the 69 mailbox servers are in clustered configurations running Windows Server 2003.
• Four Exchange sites in regional data centers worldwide.
• Messaging services for approximately 102,000 users.- More than 118,000 total mailboxes (including system mailboxes).
• 200-megabyte (MB) storage limit for each mailbox.
• More than 10 million messages globally per day. (Approximately 3 million are internal e-mail messages.)
• 20,096 Smartphone devices that access Exchange.
• 5,145 mobile devices running Windows Mobile version 5.0 that access Exchange.
• 2,279 devices not running Windows Mobile but using an Outlook Mobile Access connection.
• 60,482 users connecting to Exchange by Outlook Web Access 2003.
• Approximately 60,000 users connecting to Exchange by remote procedure call (RPC) over Hypertext Transfer Protocol (HTTP) and Outlook 2003.