| Date and Time | Observations | Recovery Mechanism or Problem | Down Time |
| 3 Jun 1999
10:45 |
Loss of connectivity between the SLO and ORM, SNMP alerts, G703 converter showed link down and router showed S0 down | Unplugged Rx line from G703, power cycled G703 and reconnected Rx line | 2 Minutes |
| 9 Jun 1999
14:54 |
Loss of connectivity to and from the INT | Fibre cable problem. Possibly caused by Site Services. Moving the fibre reactivated the link. | 25 minutes |
| 20 August 1999
11:06 |
Loss of connectivity between SLO and ORM after a power outage | Rebooted sw1slo twice(Fore Switch) | 20 minutes |
| 2 September 1999
02:00 |
Loss of connectivity between Andromeda and other machines in the WHT and INT | Rebooted sw1wht and sw2wht | 8 hours |
| 22 September 1999
11:50 |
Loss of connectivity between WHT and sw1jkt (Not Critical) | Replaced FORE switch with 3Com switch | Not Recorded |
| 4 October 1999
11:20 |
Loss of connectivity between WHT and hub1jkt | Rebooted DREP | 2 minutes |
| 22 October 1999
07:50 |
Loss of connectivity between ORM and SLO | Telefónica Microwave Link Fault | 3 hours |
| 26 October 1999
17:30 |
Loss of connectivity between ORM and SLO and between and within telescopes | Power Outage | 2.5 hours |
| 7 November 1999
16:45 |
Loss of connectivity between INT observing system and WHT - Fault with Fore Switch (sw3int) | Moved observing system to powerint | 4 hours |
| 11 November 1999
09:04 |
Loss of connectivity between SLO and ORM | Recycled G703 converter in Residencia | 45 minutes |
| 11 November 1999
12:20 |
Loss of connectivity between SLO and ORM | Recycled G703 converter in Residencia | 60 minutes |
| 25 November 1999
15:40 |
Loss of connectivity between SLO and ORM | Telefónica Microwave Link Fault | 10 hours |
| 26 November 1999
01:30 |
Loss of connectivity between SLO and ORM | Telefónica Microwave Link Fault | 4.5 hours |
| 19 January 2000
16:50 |
Loss of connectivity between Andromeda and other machines in the WHT | Rebooted sw2wht | 30 minutes |
| 23 Feb 2000
21:30 |
Loss of connectivity between the SLO and ORM, SNMP alerts, G703 converter showed link down and router showed S0 down | Unplugged Rx line from G703 in Residencia, power cycled G703 and reconnected Rx line | 12 hours |
| 25 Feb 2000
17:07 |
Loss of connectivity between indus and other machines in the WHT | Rebooted sw2wht | 5 minutes |
| 25 Feb 2000
21:55 |
Loss of power to G703 converter in Residencia | Power restored | 5 minutes |
| 26 Feb 2000
10:10 |
Loss of connectivity between indus and other machines in the WHT | Rebooted sw2wht | 57 minutes |
| 26 Feb 2000
10:19 |
Network unavailable after loss of power | Rebooted sw2wht | 4 minutes |
| 26 Feb 2000
10:19 |
Loss of power to G703 converter in Residencia | Power restored | 5 minutes |
| 17 Mar 2000
10:48 |
Loss of connectivity to observing system computers | Rebooted sw3wht | 1 minute |
| 19 Mar 2000
20:50 |
Loss Internet connectivity upstream of IAC | Fault with IAC router | 11 hours |
| 21 Mar 2000
21:45 |
Loss of connectivity with IAC | Problem with a switch | 12 hours |
| 22 Mar 2000
19:20 |
Loss of connectivity between machines in the WHT | Rebooted sw2wht | 100 minutes |
| 22 Mar 2000
15:00 |
Loss of connectivity with IAC | Faulty Transceiver | 23 hours |
| 3 Apr 2000
10:00 |
Loss of connectivity between Tenerife and Madrid | Problem with Gigacom node at Madrid | 5 hours |
| 18 Apr 2000
15:30 |
Loss of connectivity between JKT and WHT | 45 minutes | Faulty network cable |
| 4 Jun 2000 07:40 | Loss of connectivity with IAC | Problem with Telefónica UPS | 26 hours |
| 19 Jun 2000 09:30 | Loss of connectivity between Tenerife and Madrid | Problem with Gigacom node at Madrid | 5 hours |
| 04 Jul 2000 10:53 | Loss of connectivity between SLO and ORM and between ORM and IAC. | Power failure | 20 minutes |
| 05 Nov 2000 18:16 | Loss of connectivity with IAC | Problem with power supply | 5 hours |
| 04 Jul 2000 10:53 | Loss of connectivity between SLO and ORM and between ORM and IAC. | Power failure | 20 minutes |
| 05 Nov 2000 18:16 | Loss of connectivity with IAC | Problem with power supply | 5 hours |