Error: “A management group with the same name is already registered to the data warehouse management group” in SCSM

After registering the data warehouse, and everything was going just fine, I lost the connection between the management server and the data warehouse, that’s when I lost the “Data Warehouse” and “Reporting” workspaces, but when I tried to register it again, I got the following error:


But, when I checked the registered management groups in the data warehouse management server, I found out that the management group of the Management Server and the data warehouse are there.

In order to check the registered management group follow the following steps:

  1. Run PowerShell as Administrator.
  2. Enter the following Cmdlet (Import-Module “.\Microsoft.EnterpriseManagement.Warehouse.Cmdlets.psd1”).
  3. Run the following Cmdlet “Get-SCDWSource”


In order to fix that error, you’ve to follow the following steps:

Using the same Powershell session, Enter the following Cmdlet:

UnRegister-SCDWSource –ComputerName “Data Warehouse Management Server” –DataSourceTypeName “ServiceManager” –DataSourceName “Management Server Management Group”


Once done you can register your Data Warehouse again, and everything will be okay.


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