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| Time (CET) | |
|---|---|
| 18 Jun, 23:16 | Issue Reported by OC |
| 19 Jun, 07:35 | Picked up by Michael H the following morning |
| 19 Jun, 08:30 | Fixed by turning off SSL temporarily to restore the service. Initial investigation revealed certificate has expired but later turned out that wasn't the case. |
| 19 Jun, 10:30 | Further investigations were carried out to avoid such failures in future |
| 19 Jun, 16:08 | The actual cause identified for the failure - due to IT patching certificates were automatically changed. |
| 20 Jun, 09:30 | Proposal was discussed between IT and SWD to avoid such failures in future. |
| 20 Jun, 11:30 | Part one of Nagios check in the proposed solution implemented |
Total downtime: 09:14 hours.
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1) Any PKI patches on domain controller should go via change control and . The changes should be communicated to DevOps by IT so that preventive measures could be taken in timely manner.
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