是否可以在O365中将2个本地AD服务器同步到单个租户 [英] Is it possible to sync 2 on-prem AD servers to a single tenant in O365

问题描述

我们有2个独立域的2个Active Directory服务器，其中一个AD服务器当前正在O365中与我们的租户帐户同步。是否可以将它们同步到同一租户帐户，现有的O365帐户已经存在于
租户中。







我们上周末非常接近实现这一点，基于userprinciplename和proxyaddress匹配用户但由于某些原因我们进行初始同步后，我们无法登录新婚O365帐户。签署
时我们会收到的错误就好像密码不正确一样。我们尝试从AD进行密码重置并同步更改。同步运行正常，但第二个AD域用户无法通过O365登录。我将提到第一台AD服务器
的现有连接器仍然可用，并且这些用户能够登录。只有Azure AD Connect中第二个连接器的用户才有登录问题。



我们最终还原了，但是想了解这是怎么发生的，以及是否有可能在O365中将2个本地AD服务器同步到单个租户。



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非常感谢任何有关此事的帮助

解决方案

你所描述的内容绝对是可能的。只要您只使用一个AD Connect实例并且在林之间具有信任，就可以拥有两个具有一个租户的本地林。 

请参阅支持的拓扑文档： 

We have 2 Active directory servers for 2 separate domains, and one of the AD servers is currently syncing to our tenant account in O365. Is it possible to have them both sync to the same tenant account with existing O365 accounts already in place on the tenant.



We came very close to achieving this last weekend, matching the users based on userprinciplename and proxyaddress but for some reason after we did an initial sync, we couldn't sign into the newly married O365 accounts. The error we would receive when signing in was as if the password was incorrect. We tried doing password resets from AD and syncing the changes. The sync ran fine, however the second AD domain users could not login through O365. I will mention that the existing connector for the first AD server remained functional, and those users were able to sign in. Only the users from the second connector in Azure AD Connect had issues signing in.

We ended up reverting back, but would like to understand how this happened, and if its possible to achieve syncing 2 on-prem AD servers to a single tenant in O365.



Any help on this matter would be greatly appreciated

解决方案

What you are describing is definitely possible. You can have two on-premises forests with one tenant as long as you only use one AD Connect instance and have a trust between the forests. 

See the supported topologies document: 

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