MU99 failure indicates that the changed password does not meet specifications for Windows password policy.
Additional Information: 
The username cannot be the same as the password.

Administrators can check the Password Policy for your organization:

Check the Password Policy for Your Organization

Applies To: Windows Server 2008 R2, Windows Server 2012

When installing an AD RMS cluster, the password used to encrypt the server licensor certificate must conform to the password complexity requirement set forth within your organization.
Membership in Domain Admins , or equivalent, is the minimum required to complete this procedure.
To check the password complexity requirements in your organization
  1. Log on to a domain controller in the forest where AD RMS should be installed.
  2. Click Start , point to Administrative Tools , and then click Group Policy Management .
  3. Expand the appropriate forest, expand Domains, and then click the appropriate domain.
  4. Double-click Default Domain Policy .
  5. Navigate to:
Computer Configuration/Windows Settings/Security Settings/Account Policies/Password Policy
  1. Verify that the password you are entering conforms to this password policy.

Required Tags:

Article Type: 
Product Info
Product Line: 
Abila Millennium
Product Module/Feature: 
Tools-User Security

No votes yet