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| Start | End | What System/Service is affected | What is happening? | What will be affected? |
|---|---|---|---|---|
| 2017-12-14 06:00 | 2017-12-14 12:00 | LSST | Monthly OS updates, network switch updates, firmware updates, etc. | All systems unavailable. |
2018-01-02 | 2018-01-05 17:00 | Nebula | Nebula will be shut down for hardware and software maintenance from January 2nd, 2018 at 9am until January 5th, 2018 at 5pm. | All systems unavailable. |
| 2018-01-12 06:00 | 2018-01-12 10:00 | Decommission NCSA Rocket.chat | The old NCSA Rocket.chat service will be shutdown and redirected to NCSA @ Illinois Slack. | Any archived conversations or content will no longer be available to users.
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