The documentation portal is undergoing maintenance. During this period, you can't create any new user credentials. If you do, you'll need to recreate the user credential after the maintenance period ends.
Effective in version 10.1.1, Informatica dropped support for the Reporting Service. Informatica recommends that you use a third-party reporting tool to run PowerCenter and Metadata Manager reports. You can use the recommended SQL queries for building all the reports shipped with earlier versions of PowerCenter.