As with network and hardware upgrades, financial constraints surrounding upgrades to operating systems, server applications, and applications for client computers directly affect the design of your Exchange messaging system.

• 与网络和硬件升级一样,围绕操作系统、服务器应用程序和客户端计算机应用程序升级的财政约束也直接影响到Exchange邮件系统的设计。