Product:
IBM Cognos TM1 10.2.2
Microsoft Windows 2012 Server

Symptom:
Get error when surf to TM1WEB on a new installation

Error message:
The webpage cannot be found
Most likely causes:
• There might be a typing error in the address.
• If you clicked on a link, it may be out of date.
What you can try:

Retype the address.

Solution:
Surf to tm1web instead of TM1WEB, the new web server in TM1 10.2.2 is case sensitive.

Use http://servername.domain.com:9510/tm1web instead of
HTTP://SERVERNAME.DOMAIN.COM:9510/TM1WEB

Capital letters does not work.