Event ID - 172

Event Id172
SourceActive Directory Rights Management Services
DescriptionActive Directory Rights Management Services (AD RMS) installation requires administrative privileges. Log on to this computer with a user account that is a member of the local Administrators security group.
Event InformationAccording to Microsoft :
Cause :
This event is logged when ADRMS installation requires administrative privileges.
Resolution :
Add AD RMS administrator account to local Administrators group
AD RMS installation requires that the AD RMS administrator account (the user account installing AD RMS) be a member of the local Administrators group on the AD RMS server. If the AD RMS administrator account is not a member of the Administrators group, the AD RMS installation will fail. You should add the AD RMS administrator account to the local Administrators group and then install AD RMS again. Use the "Add the AD RMS administrator account to the local Administrators group" procedure to add the AD RMS administrator account to the local Administrators group. Then use the "Install the AD RMS role by using Server Manager" to install AD RMS again.
Note :
To perform these procedures, you must be a member of the local Administrators group, or you must have been delegated the appropriate authority.
Add the AD RMS administrator account to the local Administrators group
To add the AD RMS administrator account to the local Administrators group:
1.Log on to the computer that will have AD RMS installed on it.
2.ClickStart, point toAdministrative Tools, and then clickComputer Management.
3.ExpandSystem Tools, and then expandLocal Users and Groups.
4.Click Groups.5.Right-clickAdministrators, and then clickAdd to Group.
6.ClickAdd.
7.In the Select Users, Computers, or Groups dialog box, type the name of the installing user account, and then click OK.
8.Click OK to close the Administrators properties sheet.
Install the AD RMS role by using Server Manager
To install the AD RMS role by using Server Manager:
1.Click Start, point to Administrative Tools, and then click Server Manager.
2.In the Roles Summary section, click Add Roles, and then click Next.
3.Select the Active Directory Rights Management Services check box, and then click Next.
4.Complete the appropriate information in the AD RMS role wizard setup.
5.Click Install.
6.When the installation is complete, click Close.Verify :
To perform this procedure, you must be a member of the local AD RMS Enterprise Administrators group, or you must have been delegated the appropriate authority.
To verify that the AD RMS cluster installation is working properly:
1.Log on to a server in the AD RMS cluster.
2.ClickStart, point to Administrative Tools, and then click Active Directory Rights Management Services.
3.Verify that the AD RMS cluster was added successfully by expanding the AD RMS cluster name.
Reference LinksEvent ID 172 from Source Active Directory Rights Management Services

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