Cause: Sometimes Remote insight boards might hang and logging into the board might not be possible!
——-

Solution:
——-
1.) Connect via Putty to the IP Adress of the RILO (SSH)
2.) Login with local administrative Account: …, PW: …
3.) cd /map1
4.) reset

Now the access should work again!

For Dell use: racadm reset

Thx also to LiLaLauleBär!