April 2023
M1 Maintenance Activity
Date:
1 April 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
M1 Maintenance Activity
Date:
15 April 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
M1 Maintenance Activity
Date:
29 April 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
March 2023
Maintenance Activity
Date:
25 Mar 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
18 Mar 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
11 Mar 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
9 Mar 2023
Time:
02:00 hrs to 04:00 hrs
Affected Exchanges/Areas:
Jurong West
Remarks:
All Services will be affected during the maintenance window. Users are advised to reboot their ONT/CPE/router/RG if the service is not online after the maintenance window
February 2023
Maintenance Activity
Date:
25 Feb 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
18 Feb 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
11 Feb 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
M1 Cloud UC Vurella Urgent Maintenance
Date:
09 Feb 2023
Time:
2:30 hrs to 5:30 hrs
Affected Exchanges/Areas:
Alpha084
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
M1 Cloud UC Vurella Urgent Maintenance
Date:
03 Feb 2023
Time:
22:00 hrs to 22:15 hrs
Affected Exchanges/Areas:
All Areas
Remarks:
Telephony and vACD services will be affected during this period.
January 2023
Maintenance Activity
Date:
7 Jan 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
14 Jan 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
28 Jan 2023
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
M1 Urgent Network Maintenance Activity
Date:
31 Jan 2023
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Bedok Exchange
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
December 2022
M1 Urgent Network Maintenance Activity
Date:
22 Dec 2022
Time:
00:00 hrs to 04:00 hrs
Affected Exchanges/Areas:
Tampines Exchange
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
M1 Urgent Network Maintenance Activity
Date:
21 Dec 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Ang Mo Kio Exchange
Remarks:
All services will be impacted.
Maintenance Activity
Date:
16 Dec 2022
Time:
01:00 hrs to 04:00 hrs
Affected Exchanges/Areas:
Hougang Exchange(HGG OLT-02) and Tampines Exchange(TPS OLT-09)
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Maintenance Activity
Date:
15 Dec 2022
Time:
01:00 hrs to 04:00 hrs
Affected Exchanges/Areas:
Jurong West Exchange(JRW OLT-11) and Bukit Panjang Exchange(BKP OLT-12)
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Maintenance Activity
Date:
14 Dec 2022
Time:
01:00 hrs to 04:00 hrs
Affected Exchanges/Areas:
Orchard Exchange(ORC OLT-09) and Ang Mo Kio Exchange(AMK OLT-22)
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Maintenance Activity
Date:
9 Dec 2022
Time:
01:00 hrs to 04:00 hrs
Affected Exchanges/Areas:
Tuas Exchange(TUS OLT-02) and Ayer Rajah Exchange(ARJ OLT-08)
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Maintenance Activity
Date:
8 Dec 2022
Time:
01:00 hrs to 04:00 hrs
Affected Exchanges/Areas:
East Exchange(EST OLT-12) and Bedok Exchange(BDK OLT-09)
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
MBB and Corporate APN Maintenance Activity
Date:
1 Dec 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
MBB (Mobile Broadband) and Corporate APN (Access Point Name)
Remarks:
Minimal Service Impact as there is Redundancy
November 2022
Maintenance Activity
Date:
19 Nov 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
12 Nov 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
05 Nov 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Urgent Network Maintenance Activity
Date:
05 Nov 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
All Exchange
Remarks:
Intermittent disruption of internet services during the maintenance window
October 2022
M1 Urgent Network Maintenance Activity
Date:
28 Oct 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
ROC
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary
Urgent Network Maintenance Activity
Date:
22 Oct 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
All Exchange
Remarks:
Intermittent disruption of internet services during the maintenance window
Maintenance Activity
Date:
22 Oct 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
15 Oct 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Urgent Maintenance
Date:
13 Oct 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Ang Mo Kio, Bukit Panjang, Hougang, Jurong West CO (AMK-MA5800-23, BKP-MA5800-13, HGG-MA5800-03, JRW-MA5800-12)
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Urgent FNA (Facebook Network Applications) Maintenance
Date:
13 Oct 2022
Time:
02:00 hrs to 11:00 hrs
Affected Exchanges/Areas:
No Downtime
Remarks:
Customers will have degraded experience using Facebook / META apps (60 minutes)
M1 Maintenance Activity
Date:
13 Oct 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx OTP Request
Remarks:
M1Net Wireless SMS services will have intermittent impact during the maintenance period
Urgent Maintenance
Date:
12 Oct 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
MOC
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Urgent Maintenance
Date:
11 Oct 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Bedok, East, Orchard, Tampines CO (BDK-MA5800-13, EST-MA5800-15, ORC-MA5800-10, TPS-MA5800-10)
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Urgent FNA (Facebook Network Applications) Maintenance
Date:
11 Oct 2022
Time:
01:00 hrs to 11:00 hrs
Affected Exchanges/Areas:
60 minutes downtime during software upgrade (01:00-02:00 AM)
Remarks:
Customers will have degraded experience using Facebook / META apps (60 minutes)
Urgent Maintenance Activity
Date:
10 Oct 2022
Time:
22:00 hrs to 00:00 hrs
Affected Exchanges/Areas:
Active Domain under Zimbra Server
Remarks:
Access to server will be disrupted less than 3 - 5 minutes during the maintenance window.
Maintenance Activity
Date:
8 Oct 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Urgent Maintenance
Date:
3 Oct 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Ang Mo Kio CO and Tampines CO (AMK-MA5800-22, TPS-MA5800-09)
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
August 2022
Urgent Maintenance
Date:
19 August 2022
Time:
01:00hrs to 05:00hrs
Affected Exchanges/Areas:
Jurong West
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Urgent Maintenance
Date:
2 August 2022
Time:
01:00hrs to 05:00hrs
Affected Exchanges/Areas:
Hougang CO and Ayer Rajah CO (HGG-MA5800-04, HGG-MA5800-05, ARJ-MA5800-11)
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
July 2022
Maintenance Activity
Date:
29 July 2022
Time:
21:30 hrs to 22:15 hrs
Affected Exchanges/Areas:
Active Domain under Shared Server Maximus and Caligula
Remarks:
Access to server will be disrupted less than 15 minutes during the maintenance window.
Urgent Network Maintenance
Date:
28 July 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Tampines and Bukit Panjang CO
Remarks:
Minimal service impact expected.
M1 Maintenance Activity
Date:
17 July 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SG / Cloud Servers / Shared Hosting / Keppel Hosting
Remarks:
Routine and preventive maintenance
Planned Network Maintenance
Date:
17 July 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent service disruption of Wireless@SGx service during the maintenance window.
M1 Maintenance Activity
Date:
16 July 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Jurong West Exchange
Remarks:
All services will be interrupted for about 5-15minutes during the maintenance work
M1 Maintenance Activity
Date:
14 July 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Jurong West Exchange
Remarks:
All services will be interrupted for about 5-15minutes during the maintenance work
M1 Maintenance Activity
Date:
13 July 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Jurong West Exchange
Remarks:
All services will be interrupted for about 5-15minutes during the maintenance work
Planned Network Maintenance
Date:
10 July 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent service disruption of Wireless@SGx service during the maintenance window.
M1 Maintenance Activity
Date:
09 July 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Hougang Exchange
Remarks:
All services will be interrupted for about 5-15minutes during the maintenance work
Maintenance Activity
Date:
07 July 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent service disruption of Wireless@SGx service during the maintenance window.
M1 Maintenance Activity
Date:
06 July 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Tuas Link Exchange
Remarks:
All services will be interrupted for about 5-15minutes during the maintenance work
SMS Maintenance Schedules Affecting Wireless@SG ESSA Registration
Date:
05 July 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx OTP Request
Remarks:
Intermittently, SMS OTP may not deliver during ESSA setup, if end user chooses M1 as operator in the setup process.
Planned Network Maintenance
Date:
03 July 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent service disruption of Wireless@SGx service during the maintenance window.
Maintenance Activity
Date:
02 July 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent service disruption of Wireless@SGx service during the maintenance window.
June 2022
M1 Maintenance Activity
Date:
28 June 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx OTP Request
Remarks:
Intermittently, SMS OTP may not deliver during ESSA setup, if end user chooses M1 as operator in the setup process.
M1 Maintenance Activity
Date:
26 June 2022
Time:
02:00 hrs to 04:00 hrs
Affected Exchanges/Areas:
Bedok Exchange
Remarks:
ll service will be interrupted during the maintenance work
Planned Network Maintenance
Date:
26 June 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Planned Network Maintenance
Date:
25 June 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Fault Rectification
Date:
24 June 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
All CO
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Planned Network Maintenance
Date:
24 June 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
All CO
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
M1 Urgent Maintenance Activity
Date:
23 June 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
All CO
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Planned Network Maintenance
Date:
23 June 2022
Time:
01:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
All CO
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Fault Rectification
Date:
22 June 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Ayer Rajah, Tampines CO
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Planned Network Maintenance
Date:
20 June 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Traffic will failover to Router on Equinix.
Remarks:
Minimal impact to Internet access for all M1Net Customers
Planned Network Maintenance
Date:
19 June 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Planned Network Maintenance
Date:
19 June 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Wireless@SG / Cloud Servers / Shared Hosting
Maintenance Activity
Date:
18 June 2022
Time:
02:00 hrs to 04:00 hrs
Affected Exchanges/Areas:
All M1 Internet Customers
Remarks:
Minimal impact to Internet access for all M1Net Customers during traffic failover.
Planned Network Maintenance
Date:
18 June 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Planned Network Maintenance
Date:
17 June 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
East CO
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Planned Network Maintenance
Date:
14 June 2022
Time:
02:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Bukit Panjang CO, Tampines CO
Remarks:
Minimal service impact expected. Service will switch/route to protection/backup if necessary.
Planned Network Maintenance
Date:
12 June 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
Planned Network Maintenance
Date:
11 June 2022
Time:
00:00 hrs to 05:00 hrs
Affected Exchanges/Areas:
Wireless@SGx Service
Remarks:
Intermittent disruption of Wireless@SGx service during the maintenance window.
May 2022
M1 Urgent Maintenance Activity
Date:
25 May 2022
Time:
01:00 hrs to 05:00 hrs
Impact:
Hougang Exchange
Remarks :
Minimal service impact expected. Service will switch/route to protection/backup if necessary
Maintenance Activity
Date:
19 May 2022
Time:
02:00 hrs to 05:00 hrs
Impact:
M1 SIM card user (on EAP-SIM/AKA authentication) may face issue
Remarks :
The impact will be on the M1 SIM card user trying to connect to Wireless@SGx. Only M1 SIM card user who are trying to authenticate or re-authenticate after session time out may face issue during the maintenance period. Non M1 SIM card user and user already authenticated before the maintenance session will not face any issue
Maintenance Activity
Date:
05 May 2022
Time:
02:00 hrs to 05:00 hrs
Impact:
M1 SIM card user (on EAP-SIM/AKA authentication) may face issue
Remarks :
The impact will be on the M1 SIM card user trying to connect to Wireless@SGx. Only M1 SIM card user who are trying to authenticate or re-authenticate after session time out may face issue during the maintenance period. Non M1 SIM card user and user already authenticated before the maintenance session will not face any issue
