Howto:Browser version not supported

Problem: If you try to start myPBX in your prefered Browser, you get an error like "Browser version not supported" (till V9 Hf5).

With V9 HF 6 and newer Versions you get an more detailed error description like this:

But for all V9 HF Versions, your Browser must support these three HTMl 5 features. In most cases XMLHttpRequest and PostMessage are active and can't configured by Users and are standard features in Internet Explorer, Chrome and Firefox.

In the picture above, you can see that DOM Storage is not active in the Browser. This is most common error.

For Internet Explorer Users: