List of the maintenance downtimes.
| Host or environment | Start date | Back to production |
| Occigen, Cristal, Frioul, PCP | january, 8th 2018 8 am | january, 12th 2018 8 am |
| PCP | september, 5th 2017 5 pm | september, 7th 2017 2 pm |
| Frioul | september, 5th 2017 5 pm | september, 7th 2017 2 pm |
| Cristal | september, 5th 2017 5 pm | september, 7th 2017 2 pm |
| Occigen | september, 5th 2017 5 pm | september, 7th 2017 2 pm |
| Occigen | june, 6th 2017 8 am | june, 8th 2017 6 pm |
| Cristal | june, 6th 2017 8 am | june, 8th 2017 6 pm |
| Network acces in Cines | january, 24th 2017 11 pm | january, 25th 2017 7 am |
| Occigen | january, 20th 2017 4 pm | january, 27th 2017 9 am |
| Network acces in Cines | january, 23th 2017 8 pm | january, 23th 2017 12 pm |
| Cristal | june, 27th 2016 8 am | june, 29th 2016 8 pm |
| Occigen | june, 27th 2016 8 am | june, 29th 2016 8 pm |
