
Explanation/Reference:
Note:
Box 1:
Group Managed Service Accounts Requirements:
At least one Windows Server 2012 Domain Controller

A Windows Server 2012 or Windows 8 machine with the ActiveDirectory PowerShell module, to create/

manage the gMSA.
A Windows Server 2012 or Windows 8 domain member to run/use the gMSA.

Box 2:
To create a new managed service account
On the domain controller, click Start, and then click Run. In the Open box, type dsa. msc, and then click

OK to open the Active Directory Users and Computers snap-in. Confirm that the Managed Service Account container exists.
Click Start, click All Programs, click Windows PowerShell 2.0, and then click the Windows PowerShell

icon.
Run the following command: New-ADServiceAccount [-SAMAccountName<String>] [-Path <String>].

Box 3:
Configure a service account for Internet Information Services
Organizations that want to enhance the isolation of IIS applications can configure IIS application pools to run managed service accounts.
To use the Internet Information Services (IIS) Manager snap-in to configure a service to use a managed service account Click Start, point to Administrative Tools, and then click Internet Information Services (IIS) Manager.

Double-click <Computer name>, double-click Application Pools, right-click <Pool Name>, and click

Advanced Settings.
In the Identity box, click ..., click Custom Account, and then click Set.

Type the name of the managed service account in the format domainname\accountname.

Reference: Service Accounts Step-by-Step Guide