We would like to inform you of the following change in the Enterprise IoT Service, which may potentially impact your solution:
This activity will upgrade the firmware version on GRX firewalls from v5.2.7 to v5.6.7
Customer Impact Description
Within the service impact window stated below, there will be 2 moments of up to 5 minutes each where your service will be affected. It will mean data unavailability, for both new and ongoing sessions, for all IoT customers roaming in VF NL network and for those configured in VF NL, that are roaming abroad.
First Service Affecting window: 06.02.2019 23:15:00 UTC - 06.02.2019 23:30:00 UTC
Second Service Affecting window: 07.02.2019 00:30:00 UTC - 07.02.2019 00:45:00 UTC
We apologise for the inconvenience.