Create mail enabled security group office 365 hybrid

Here are the steps to create a mail-enabled security group in Office 365 hybrid environment:

Prerequisites:

• You have an Office 365 tenant with a hybrid configuration (i.e., you have on-premises Exchange Server and Office 365 Exchange Online).
• You have the necessary permissions to create and manage security groups in your Office 365 tenant.

Step 1: Create a security group in Office 365

1. Log in to the Office 365 admin center (https://admin.microsoft.com).
2. Click on "Groups" in the navigation menu.
3. Click on "New group".
4. Enter a name and description for the group.
5. Select "Security" as the group type.
6. Click "Create" to create the group.

Step 2: Enable mail for the security group

1. Go back to the "Groups" page in the Office 365 admin center.
2. Find the security group you just created and click on the three dots next to it.
3. Click on "Edit group".
4. Scroll down to the "Mail" section.
5. Toggle the switch next to "Enable mail" to the "On" position.
6. Click "Save" to save the changes.

Step 3: Configure the security group in your on-premises Exchange Server

1. Log in to your on-premises Exchange Server using the Exchange Management Console (EMC) or Exchange Management Shell (EMS).
2. Create a new distribution group in your on-premises Exchange Server using the EMC or EMS.
3. Set the mail-enabled security group in Office 365 as the "External Mail Group" for the distribution group.
4. Configure the distribution group to forward emails to the mail-enabled security group in Office 365.

Step 4: Verify the mail-enabled security group

1. Log in to the Office 365 admin center.
2. Go to the "Groups" page.
3. Find the mail-enabled security group and click on the three dots next to it.
4. Click on "Edit group".
5. Scroll down to the "Mail" section.
6. Verify that the group is mail-enabled and that emails are being forwarded to the group.

That's it! You have now created a mail-enabled security group in your Office 365 hybrid environment.