Currently the designPH support resources are hosted on 3 separate systems which each have a separate login system. The user name is usually the same across all systems, but the password may be different. We are working towards a unified login with SSO (Single Sign On) but this work is not yet complete.
Password: your chosen password, reset is possible
designPH forums are in the main PHI forum site, https://forum.passivehouse.com/c/designph. You can find the 3 designPH sub-categories there:
Please login using the "PHI SSO" option, using the same username and password as for the PHI Portal.
Password: usually your registration code, reset by user not possible
Free access areas
Questions and answers on designPH & SketchUp [no user login required]
Password: usually your registration code, reset by user not possible
Other PHI sites