AAD Sync – Modifying a filter rule

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How to modify an existent filter rule and validating what changes in the Azure Active Directory using AAD Sync.

Solution


To demonstrate how a change in existent filter rules can impact the environment, we are going to use the following scenario where we have 5 users under Corporate Users OU (that is the only OU that is being replicated to Azure Active Directory), and the users have either @patricio.uy or @patricio.ca on their username as part of their UPN.

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Before performing any changes, we will check the Azure Active Directory, and we can notice that only the users that have the UPN @patricio.uy are being replicated, as shown in the figure below.
Note: Don’t worry about the patricioIT.onmicrosoft.com for this Tutorial, and the reason of that issue is the domains were not configured on the Azure Active Directory side.

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Since the users ending with patricio.uy are the only ones that are being synchronized, we looked for an existent filter rule that was causing that behaviour and as a matter of fact, we had a rule created for that purpose. The administrator changed the conditions of the filter to filter all users that had @patricio.uy as shown in the image below.

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After that change the administrator can force a full replication using .\DirectorySyncClientcmd.exe initial from command prompt.

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The results can be seen on the Azure Active Directory side, all users @patricio.uy were removed and the ones with @patricio.ca are being listed.

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In this Tutorial, we went over the process to move a filter rule to change which users will be replicated to the Azure Active Directory.

Written by Anderson Patricio

Anderson Patricio

Anderson Patricio is a Canadian MVP in Cloud and Datacenter Management, and Office Server and Services, besides the Microsoft Award he also holds a Solutions Master (MCSM) in Exchange and several other certifications. Anderson has been contributing to the Microsoft Community with articles, tutorials, blog posts, twitter, forums and book reviews. He is a regular contributor here at ITPROCentral.com, MSExchange.org, Techgenix.com and Anderson Patricio.org (Portuguese).

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