At some point I had that annoying pop up box asking to change the Sharepoint admin password. Ok I changed the password, and I went to Central Administration to create a new Web Application…
I created and I have got this message, what I think it is exactly the same I used to get in Sharepoint 2007 and Sharepoint 2010.
This is normally because the farm credentials have not been updated. To do this I always use the old fashion STSADM command.
Go to Microsoft SharePoint 2013 Products->SharePoint 2013 Management Shell and type the following:
stsadm -o updatefarmcredentials -userlogin yourdomain/youruser -password yourpassword