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SAP用户种类(USER TYPE)

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Dialog A:对话用户
 
一个普通的对话用户被用来进行各种类型的登录。(平时通过SAP GUI登录的用户)
在对话用户登录中,系统会检查有效期和初始密码,并可由用户自行修改密码。
重复登录时检查已登录情况。
 
A normal dialog user is used by one person only for all types of logon.
During a dialog logon, the system checks for expired and initial passwords and provides an option to change the password.
Multiple dialog logons are checked and logged if necessary.
 
System B:系统用户
 
系统用户主要用来执行系统中无需会话交互的应用(例如RFC)或者是执行后台处理。这种用户不允许使用SAP GUI登录。
这种用户类型没有密码有效期。只有用户管理员才能使用事务码SU01来修改密码。
 
You use a user of type System for communication without dialog within one system (for RFC or CPIC service user) or for background processing within one system.
Dialog logon is not possible.
A use of this type is excluded from the general settings for password validity. Only the user administrator can change the password using transaction SU01 (Goto – Change Password)
 
Communication C:系统用户
 
使用通讯用户来处理系统间不需要会话操作的通讯(各种使用 RFC 服务的应用程序,例如 ALE、工作流、TMS)。
  不允许使用 SAP GUI 登录。
You use a user of type Communication for communication without dialog between systems (for RFC or CPIC service users for various applications, for example, ALE, Workflow, TMS, CUA).
Dialog logon is not possible.
系统间的RFC连接,检查密码有效性,并且可以修改密码(通过FMAPI)。
 
Service S:服务用户
 
类型为服务用户的是一个匿名的大分组用户。通常它应该受到非常严格的授权。
  例如,服务用户用于通过 ITS 服务来匿名访问系统。一旦验证通过,使用服务用户开始的匿名会话就可以向使用会话用户登录的个人会话一样执行。在登录时,系统不检查有效期和初始密码,只有管理员可以修改密码。允许重复登录。
 
A user of type Service is a dialog user that is available to an anonymous, larger group of users. Generally, this type of user should only be assigned very restricted authorizations.
For example, service users are used for anonymous system access via an ITS service. Once an individual has been authenticated, a session that started anonymously using a service user can be continued as a personal session using a dialog user.
During logon, the system does not check for expired and initial passwords. Only the user administrator can change the password.
Multiple logon is allowed.
 
Reference L:参考用户
 
参考用户

  跟服务用户类似,参考用户用于通用用户,不指定到特定人。不能使用参考用户登录。参考用户只用来指定附加的权限。它用于互联网上相同授权的用户。

  在角色选项卡,可以为会话用户指定参考用户来添加附加权限。一般来说,应用控制参考用户的分配。可以用事务码
   SU_REFUSERVARIABLE 来维护参考用户和会话用户的对应。

  这种分配主要用户 CUA 场景的所有系统。如果被分配的参考用户不存在于某个 CUA 子系统,则分配被忽略。
 
Like the service user, a reference user is a general user, not assigned to a particular person. You cannot log on using a reference user. The reference user is only used to assign additional authorization. Reference users are implemented to equip Internet users with identical authorizations.
 
On the Roles tab, you can specify a reference user for additional rights for dialog users. Generally, the application controls the allocation of reference users. You can allocate the name of the reference user using variables. The variables should begin with "$". You assign variables to reference users in transaction SU_REFUSERVARIABLE.This assignment applies to all systems in a CUA landscape. If the assigned reference user does not exist in one of the CUA child systems, the assignment is ignored.
(作者:Helena)
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