Forum Discussion
ImmutableID to Extensionattribute
Hello Charles,
There are two different queries in your request.
First - How to writeback Immutable ID to an Extension Attribute.
Second - ObjectID of cloud Accounts.
In Order to complete the first task,
Create and Outbound rule for AD connector that must map source anchor to extension attribute, below mentioned is an example,
Add-ADSyncAttributeFlowMapping `
-SynchronizationRule $syncRule[0] `
-Source @('sourceAnchor') `
-Destination 'msDS-cloudExtensionAttribute10' `
-FlowType 'Direct' `
-ValueMergeType 'Update' `
-OutVariable syncRule
Once the rule is created run a sync and you will find the extension attribute populated with source anchor.
For the second query, ObjectID is an attribute that belongs to Object Class and is a mandate attribute that will be populated for all the objects. (Synced or Cloud)
To check about the Object class you can run the below mentioned command on AzureAD powershell.
Get-AzureADUser | Get-Member
Let me know if you have any query.
Regards,
Rishabh
Hello,
Great question and some interesting responses. Please let me share some friendly advice from my own experiences working with customers.
Yes, AAD C is a cutdown version of the MIM/FIM sync engine, BUT, please try and avoid adding custom rules. Custom rules adds complexity which can come back and haunt you when the time comes to upgrade.
In this scenario using mS-DS-ConsistencyGuid as the source anchor for both your on-prem applications and Azure AD might be the best option.
The big advantage of using mS-DS-ConsistencyGuid rather than GUID, is it’s writable. So, if you do need to cater for users moving between forests, it’s a simple process of copying the value between objects.
With regards to cloud accounts, it’s a little tricky as you need the object written back to create an on-prem “shadow” account.
Another option might be updating the application authentication end-points to support Azure AD or using Azure application proxies.
Further reading:
sourceAncor and mS-DS-ConsistencyGuid
https://docs.microsoft.com/en-us/azure/active-directory/hybrid/plan-connect-design-concepts
Hope this helps,
Matt C
I am not disagreeing with you comment that custom rules cause problems down the road, but please explain if you can how this can wreak the havoc you refer to. Just need to understand the risks of that vs the reward of the sync back
Murray
