Last week Emerald moved its journal content to a new platform. Since then many libraries have reported problems authenticating and getting full text.
Emerald have acknowledged there are problems and have a message to that effect along the top of their web pages. Some people have no problem so it is worth trying, but you may well get some reports of problems. At this stage, no indication of how long this will take to fix.
Peter K
Emerald’s marketing spiel http://www.emeraldgrouppublishing.com/about/news/story.htm?id=8674.
Perhaps they needed a few more bricks…