每个版本的 Exchange Server 有不同的版本号。以下列出了每个版本的版本号和对应的发布日期：
名称 版本号 发布日期 ------------------------------------------------------ Exchange 4.0 4.0.837 April 1996 Exchange 4.0 (a) 4.0.993 August 1996 Exchange 4.0 SP1 4.0.838 May 1996 Exchange 4.0 SP2 4.0.993 August 1996 Exchange 4.0 SP3 4.0.994 November 1996 Exchange 4.0 SP4 4.0.995 April 1997 Exchange 4.0 SP5 4.0.996 May 1998 Exchange 5.0 5.0.1457 March 1997 Exchange 5.0 SP1 5.0.1458 June 1997 Exchange 5.0 SP2 5.0.1460 February 1998 Exchange 5.5 5.5.1960 November 1997 Exchange 5.5 SP1 5.5.2232 July 1998 Exchange 5.5 SP2 5.5.2448 December 1998 Exchange 5.5 SP3 5.5.2650 September 1999 Exchange 5.5 SP4 5.5.2653 November 2000 Exchange 2000 6.0.4417 October 2000 Exchange 2000 (a) 6.0.4417 January 2001 Exchange 2000 SP1 6.0.4712 July 2001 Exchange 2000 SP2 6.0.5762 December 2001 Exchange 2000 SP3 6.0.6249 August 2002 Exchange 2000 post-SP3 6.0.6487 September 2003 Exchange Server 2003 6.5.6944 October 2003 Exchange Server 2003 SP1 6.5.7226 May 2004要看你服务器上Exchange Server的版本号，可以通过查看Exchange系统管理工具里的Exchange服务器的属性得知。
这篇文章中的信息适用于:
- Microsoft Exchange Server 2003 Enterprise Edition
- Microsoft Exchange Server 2003 Standard Edition
- Microsoft Exchange 2000 Server
- Microsoft Exchange Server 5.5
- Microsoft Exchange Server 5.0
- Microsoft Exchange Server 4.0
