Multiple AAD Group Using Same Name

**Hello Team,**
Please be informed that I can Create Multiple AAD Group using the Same Display Name.
Consider the Name of the AAD Group = AM-Test-100

The AAD Group "AM-Test-100" was created successfully from Azure Portal.

Next time, I tried to create AAD Group with the same name "AM-Test-100" from Azure Portal, it displays "GROUP NAME NOT AVAILABLE".

This is the expected behavior.

Now, I tried to create AAD Group with the Same Name "AM-Test-100" not using Azure Portal but this time using Az CLI.
Below is the command:-

az ad group create --display-name AM-Test-100 --mail-nickname AM-Test-100

The command executes successfully.

As Observed from Azure Portal, now we have 2 AAD Groups with Same Name "AM-Test-100" but with different Object IDs.
_**Question 1 - Is this an expected behavior or a bug ?**_

Now, I Execute the same command like above, changing only the "mail-nickname" -

az ad group create --display-name AM-Test-100 --mail-nickname AM-Test-100-01

The command executes successfully.

As Observed from Azure Portal, now we have 3 AAD Groups with Same Name "AM-Test-100" but with different Object IDs.
_**Question 2 - Is this an expected behavior or a bug ?**_

**Note:** "mail-nickname" is not displayed over Azure Portal.

Awaiting for your response.

Many Thanks
Regards, Arindam Mitra

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#### Document Details

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* ID: 34960494-f5eb-4144-b508-0573f7382e40
* Version Independent ID: 0c7138d1-9849-0b71-8e76-22d0116ff663
* Content: [az ad group](https://learn.microsoft.com/en-us/cli/azure/ad/group?view=azure-cli-latest)
* Content Source: [latest/docs-ref-autogen/ad/group.yml](https://github.com/MicrosoftDocs/azure-docs-cli/blob/main/latest/docs-ref-autogen/ad/group.yml)
* Service: **active-directory**
* GitHub Login: @rloutlaw
* Microsoft Alias: **routlaw**