Hi experts,
we are currently trying to change our SAP Netweaver Enterprise Portal to use the Standards Ajax Framework Page, since we are getting some problems with the currently used framework regarding the Quirks vs. Standards rendering mode.
To switch to Standards AFP, we created a copy from the following object: Content Administration -> Portal Content Management -> Portal Content -> Portal Users -> Standard Portal Users -> Ajax Standards Mode Framework -> Ajax Standards Mode Framework Page and pasted it as deltalink into a custom folder.
We then created a new portal desktop and configured it to use the new created copy of the Standards AFP and our portal theme (which is customized but based on SAP Tradeshow).
Finally, we changed the Master Rule Collection under System Administration -> portal Display -> Desktops & Display Rules -> Portal Content -> Portal Administrators -> Super Administrators so that our new desktop is available under the URL ../portal/default so that the "old" Framework Page / Desktop is still available under the URL ../portal.
While the "old" desktop is still working fine, the new one using the Standards AFP won't work. When I open the URL /portal/default and login with my credentials (admin rights), I only see a loading/splash screen.This will load "forever" - I closed the window after more than half an hour waiting.
I attached a screenshot from the loading screen - but I guess you won't find any helpful information in this screenshot.

Any tips on how to get the Standards AFP working? I would appreciate any help.
Thanks in advance,
Marius