1.1 Microsoft Internet Explorer Settings

Tools > Internet options > General > Browsing history > Settings > entry Every time I visit the webpage must be activated
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When certain pages on the portal are open (e.g. Status > Customer Resource Status) and the portal software is stopped (e.g. by shutting down/rebooting the active node), Internet Explorer may remain blocked until the portal software is running again. To prevent this from happening, make the following setting in Internet Explorer:
Go to Tools > Internet Options > Advanced > Security > and disable the Enable native XMLHTTP support option.