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How to do Hard match in Dirsync?

  • Artikel

There are 2 types of matching we do during Dirsync

  1. Soft Match
  2. Hard Match

 

In this post we will see how to do Hard Match in Dirsync.

Post writing this post my colleague and friend Elvin pointed out that there was another easier way to find Immutable ID. I have covered that in the next post.

Click the above link to know more

Here are the broad level steps that we do to implement Dirsync between on-prem and cloud

  • Get the ObjectGuid from the onpremise for the user
  • Rearrange the ObjectGuid
  • Convert the ObjectGuid to an ImmutableID
  • Update the cloud user with the Immutable ID
  • Run Dirsync

 

 

Get the ObjectGuid from the onpremise for the user

  • Go to Adsiedit.msc
  • Right click ADSI Edit and say Connect to and select "Default naming context"
  • Double click the Domain partition and navigate to the OU the concerned user is present and select the user properties
  • Copy the value of ObjectGuid to a notepad

 

Rearrange the ObjectGuid as shown below

ObjectGuid :                                                                         44 31 E2 46 77 83 3E 48 A8 7E B6 76 9D B6 2E ED

Group the GUID as shown here:                                        44 31 E2 46 77 83 3E 48 A8 7E B6 76 9D B6 2E ED

Rearrange Hexa bits within the group as done Here:    46 E2 31 44 83 77 48 3E A8 7E B6 76 9D B6 2E ED

Write the rearranged Bits as shown here :                      46E23144-8377-483E-A87E-B6769DB62EED

Convert the ObjectGuid to an ImmutableID

Now that we have the object Guid in the format we want download the script from the link below that converts Object Guid to Immutable ID and vice versa

https://gallery.technet.microsoft.com/office/Covert-DirSyncMS-Online-5f3563b1/description

Right click on the downloaded Script and click properties and say Unblock

 

Now open a Windows powershell navigate to the place where the Script was saved

Invoke the script and pass the Guid ID we got from the above step

PS C:\Users\praveen\Desktop\CAP\Immutable ID> .\GUID2ImmutableID.ps1

Value provided not in GUID or ImmutableID format.

Please Supply the value you want converted

Examples:

To convert a GUID to an Immutable ID: GUID2ImmutableID.ps1 '748b2d72-706b-42f8-8b25-82fd8733860f'

To convert an ImmutableID to a GUID: GUID2ImmutableID.ps1 'ci2LdGtw+EKLJYL9hzOGDw=='

 

PS C:\Users\praveen\Desktop\CAP\Immutable ID> .\GUID2ImmutableID.ps1 46E23144-8377-483E-A87E-B6769DB62EED

ImmutableID

-----------------

RDHiRneDPkiofrZ2nbYu7Q==

 

 

 

Update the cloud user with the Immutable ID

Now open Windows Azure Powershell for Office 365 and run the below command

Set-MsolUser -UserPrincipalName User@domain.com -ImmutableId RDHiRneDPkiofrZ2nbYu7Q==

 

Here User@domain.com is the UPN of the user who is in cloud and we want to sync the on-premise user to sync to.

 

Run Dirsync

Now force an Dirsync to connect the users 

Note: Due to replication and delay in onprem and cloud we might have to wait for some time and force Dirsync couple of times.

Comments

  • Anonymous
    January 01, 2003
    Yes, we can do that. I found out a workaround that helps to do for all users with help of my friend. Will write a post on that soon.
  • Anonymous
    January 01, 2003
    Thanks Shivam
  • Anonymous
    January 01, 2003
    Hello Raymond, Please find the below link that talks about what you are looking for
    http://blogs.technet.com/b/praveenkumar/archive/2014/08/10/how-to-do-hard-match-part-2.aspx
  • Anonymous
    January 01, 2003
    Thanks John and Dan
  • Anonymous
    April 12, 2014
    Good one praveen
  • Anonymous
    May 01, 2014
    Awesome Praveen. This helped me a lot
  • Anonymous
    May 29, 2014
    great stuff Praveen.
  • Anonymous
    July 23, 2014
    it worked but how we can do it for multiple users at a time, like first creating csvde file and importing using powershell..??
  • Anonymous
    August 10, 2014
    In my previous post I wrote about how we can do Hard Match of objects in on-premise to the corresponding
  • Anonymous
    August 18, 2014
    Great stuff Praveen! Please share with us the workaround to hard match for multiple users, looking forward for your new post :)
  • Anonymous
    January 21, 2015
    Another simple way to find a "one off" objectGUID is via Active Directory Users and Computers:
    1. Enable Advanced Features
    2. Open the user ID's properties
    3. Open the Attribute Editor tab
    4. Filter by attributes with values
    5. Find and copy the objectGUID from the list
  • Anonymous
    July 07, 2015
    Thanks David
  • Anonymous
    August 12, 2015
    how it works for mail contacts as well ? is it possible ?
  • Anonymous
    August 20, 2015
    I created a desktop tool to convert from objectGUID and Azure ImmutableID
    http://ammarhasayen.com/2015/08/20/azure-guid-to-immutableid-and-vise-versa-desktop-app/
  • Anonymous
    August 24, 2015
    Hi,
    Thanks for your blog indeed.

    I was inspired to create desktop tool that converts from ObjectGUID in AD to ImmutableID in Azure and vise versa
    http://ammarhasayen.com/2015/08/20/azure-guid-to-immutableid-and-vise-versa-desktop-app/

    Thanks
  • Anonymous
    October 13, 2015
    Hi Praveen... i tried the method but I get the message 'set-msoluser : Uniqueness violation. Property: SourceAnchor'
  • Anonymous
    October 15, 2015

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  • Anonymous
    October 15, 2015
    Nice Article Praveen !!
  • Anonymous
    October 16, 2015
    There are 2 types of matching we do during Dirsync
    Soft Match
    Hard Match

    In this post we will see how to do Hard Match in Dirsync.
    Post writing this post my colleague and friend Elvin pointed out that there was another easier way to find Immutable
  • Anonymous
    November 05, 2015
    The comment has been removed
  • Anonymous
    November 25, 2015
    I appreciate for this enlightening post.
    • Anonymous
      November 12, 2016
      Thanks Birendra
  • Anonymous
    March 09, 2016
    @Shiraz: about the message 'set-msoluser : Uniqueness violation. Property: SourceAnchor'.

    Yes, I had that error too, but after investigating the deleted user was still in the Deleted Users folder. I created this user multiple times, and when I checked the Deleted Users folder, the user was there 5 times. I deleted ALL users from the Deleted Users folder, and then it worked.
    • Anonymous
      October 21, 2016
      Remove-Msoluser -Userprincipalname abc@domain.com -RemoveFromRecyclebin
    • Anonymous
      November 25, 2016
      guys, here I have something weird happeningall users had been created in office 365 first after 3 years the company decided to sync on-premises ADDS with office 36511 users enabled only 1 is having this issue related hereat the portal we have the same patternuser01@company.onmicrosoft.comuser01@mycompany.comuser02@company.onmicrosoft.comuser02@mycompany.com but the user related has its user user03@company.onmicrosoft.com unlicensed and user03@mycompany.com unfortunately this user doesn't math with the on-premise one (same upn, proxyadressses)I have found 3 users in the recyble bin at the portal and one of them user03@company.onmicrosoft.com had the immutableid related to anchor and I deleted all of them and runned th e sync again (I moved the user03 from the SYNCED ou to the default users and moved him back after an Initial sync) to clean his data from metaverse but when I run the sync again same errorECMA2 MA export run caused an error. Error Name: AttributeValueMustBeUnique Error Detail: Unable to update this object because the following attributes associated with this object have values that may already be associated with another object in your local directory services: [OnPremiseSecurityIdentifier System.Byte[];]. Correct or remove the duplicate values in your local directory. Please refer to http://support.microsoft.com/kb/2647098 for more information on identifying objects with duplicate attribute values.
  • Anonymous
    October 28, 2016
    Important: The "Sync Type" only changes from "in Cloud" to "Synced with Active Directory" if you change the password for the user in the AD.Best regards,João.
    • Anonymous
      February 06, 2017
      The comment has been removed
  • Anonymous
    March 02, 2017
    Hi Praveen - Good article composed. However I was wondering if this could be done in bulk for multiple users at once?Scenario: On-premises AD exists with users on it, Office365 is running with same users, but Directory Synchronisation has not occurred yet. Now we are going to add, verify the onprem domain at office365 and then need to hardsync all the users at once. I am talking about around 400 users in this situation. let me know the best possible solution. Thanks in advance.