In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 03, 2026 - 11:00 PDT
Scheduled - In the ongoing efforts to improve our services, we will be conducting general maintenance with our underlying carriers in Europe. This maintenance will be done after normal business hours with no expected service interruptions. The scheduled countries are:
United Kingdom
Aug 3, 202611:00 - Aug 30, 202621:00 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 17, 2026 - 17:00 PDT
Scheduled - As part of ongoing service enhancements for CRC, we are replacing DNS records for SIP/H.323 endpoints in the São Paulo and Mexico regions. Legacy DNS records in some other regions that are no longer in use will be decommissioned.
Effective Date: August 16, 2026
To avoid service disruption, update your configurations before August 16, 2026.
DNS Record Updates:
São Paulo Region: Records to be replaced (A-Record and SRV-Record): zmbr.br _h323cs._tcp.zmbr.us _sip._tcp.zmbr.us _sips._tcp.zmbr.us _sip._udp.zmbr.us sp.zmbr.us _h323cs._tcp.sp.zmbr.us _sip._tcp.sp.zmbr.us _sips._tcp.sp.zmbr.us _sip._udp.sp.zmbr.us
New records (A-Record and SRV-Record): sp.zoomcrc.com _h323cs._tcp.sp.zoomcrc.com _sip._tcp.sp.zoomcrc.com _sips._tcp.sp.zoomcrc.com _sip._udp.sp.zoomcrc.com
Mexico Region: Records to be replaced (A-Record and SRV-Record): mx.zmvc.us _h323cs._tcp.mx.zmvc.us _sip._tcp.mx.zmvc.us _sips._tcp.mx.zmvc.us _sip._udp.mx.zmvc.us
New records (A-Record and SRV-Record): qro.zoomcrc.com _h323cs._tcp.qro.zoomcrc.com _sip._tcp.qro.zoomcrc.com _sips._tcp.qro.zoomcrc.com _sip._udp.qro.zoomcrc.com
Action Required: Review your endpoint configurations and update any references from replaced DNS records to new DNS records before August 16, 2026 to ensure uninterrupted service.
Legacy Records to Be Removed: Hosted Zone: zmvc.us A-Records: lej.zmvc.us hk.zmvc.us mtls.mx.zmvc.us cn.zmvc.us de.zmvc.us nl.zmvc.us ca1.zmvc.us ca2.zmvc.us sg1.zmvc.us us2.zmvc.us us1.zmvc.us br.zmvc.us jp2.zmvc.us in1.zmvc.us in2.zmvc.us jp1.zmvc.us
Review your CRC endpoint configurations. If you are still using any of these legacy DNS records, contact your Zoom TAM or Zoom Support before August 16, 2026 to ensure uninterrupted service.
For any questions please contact your Zoom TAM or Zoom Support.
Jul 17, 202617:00 - Aug 18, 202611:00 PDT
Update -
We will be undergoing scheduled maintenance during this time.
Jul 31, 2026 - 11:54 PDT
Scheduled -
Zoom will perform network maintenance at our Saudi Arabia data center (KSA). Below services may be interrupted or unavailable to users during the maintenance.
Jul 30, 2026 - 10:07 PDT
We will perform scheduled PSTN telephony backend maintenance to enhance operational reliability and resiliency for Zoom Audio Conferencing during the maintenance windows and locations listed. We do not anticipate any service interruptions during this time. Posted on
Aug 12, 2026 - 22:04 PDT
Update -
We will be undergoing scheduled maintenance during this time.
Aug 03, 2026 - 11:09 PDT
Scheduled -
Zoom will perform network maintenance at our Tokyo data center. Below services may be interrupted or unavailable to users during the maintenance.
Jul 24, 2026 - 16:46 PDT
Update -
This maintenance has been rescheduled to August 22, 2026.
Aug 14, 2026 - 13:40 PDT
Scheduled -
Zoom will perform network maintenance at our Chennai data center (MAA). Users may experience an impact for a brief amount of time for the services mentioned below.
Aug 05, 2026 - 12:32 PDT
Update -
We will be undergoing scheduled maintenance during this time.
Aug 13, 2026 - 10:21 PDT
Update -
We will be undergoing scheduled maintenance during this time.
Aug 13, 2026 - 09:51 PDT
Scheduled -
Zoom will perform network maintenance at our Singapore data center. Below services may be interrupted or unavailable to users during the maintenance.
Jul 24, 2026 - 16:42 PDT
We will be performing maintenance on Zoom Support Ticketing and Knowledge Base. Downtime is not expected, but users may experience general slowness for Zoom Support Knowledge Base and Ticketing during the maintenance window. Posted on
Aug 11, 2026 - 17:10 PDT
Zoom will perform network maintenance at our Osaka Data Center. Below services may be interrupted or unavailable to users during the maintenance. Posted on
Jul 27, 2026 - 13:13 PDT
Completed -
The scheduled maintenance has been completed.
Aug 16, 02:01 PDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 14, 17:00 PDT
Scheduled -
We will perform scheduled PSTN telephony backend maintenance to enhance operational reliability and resiliency for Zoom Audio Conferencing during the maintenance windows and locations listed. We do not anticipate any service interruptions during this time.
Aug 5, 01:17 PDT
Resolved -
This incident has been resolved and the affected services have been restored.
Aug 13, 20:49 PDT
Monitoring -
Between 21:04 UTC and 21:26 UTC on August 13, 2026, a subset of Zoom Phone and Zoom Contact Center users experienced outbound MMS failures in the US region. This issue has been resolved.
Aug 13, 20:40 PDT
Completed -
This maintenance has been cancelled
Aug 12, 17:52 PDT
Scheduled -
Zoom will perform service maintenance at our US East (IAD9 / IAD10)) Data Center starting at 5:00 PM Pacific on August 21st. Zoom Phone users registered to the those sip zones will be automatically registered in the other side sip zone sequentially. During the maintenance window, a brief disconnection may be experienced and notifications may be missed. If you get disconnected, the system will attempt to reconnect you automatically.
Aug 10, 17:30 PDT
Resolved -
This incident has been resolved and the affected services have been restored.
Aug 11, 08:13 PDT
Monitoring -
On 08/11/2026, Between 13:05 UTC to 14:30 UTC, A subset of users may have experienced issues with Zoom Contact Center smart note generation. This incident has been resolved and the affected services have been restored.
Aug 11, 07:48 PDT
Completed -
The scheduled maintenance has been cancelled.
Aug 10, 15:29 PDT
Scheduled -
We plan to have maintenance activity for ZoomAI services, live and recording transcription and translation, to support higher availability and resilience. No operational impact is expected.
Aug 10, 15:28 PDT
Completed -
The scheduled maintenance has been completed.
Aug 10, 03:00 PDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 9, 23:00 PDT
Scheduled -
Zoom will perform service maintenance at Vancouver (YVR ) Datacenter. During the maintenance window, Users may experience an impact for a brief amount of time for services mentioned.
Jul 27, 12:41 PDT
Completed -
The scheduled maintenance has been completed.
Aug 10, 00:00 PDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 9, 23:59 PDT
Scheduled -
The following new IPv4 subnet ranges will be deployed to Zoom resources for the Zoom Contact Center (ZCC) Flow Script and HTTP Call widgets, as well as the Zoom Virtual Agent (ZVA) Flow Script widget endpoints, starting no earlier than 30 days from the posting of this notice. We recommend that network administrators, with Zoom-specific firewall or network rules, update their systems as soon as possible in preparation.
In addition to the changes above, additional addresses for the Zoom Virtual Agent (ZVA) HTTP call widget, AI expert assist, and knowledge base to sync content endpoints have been deployed and are in use. We recommend that network administrators, with Zoom-specific firewall or network rules, update their systems as soon as possible.
Removed IPv4 addresses for the ZCC Flow Script widget and HTTP Call widget endpoints: 79.72.1.202 80.225.76.19 84.8.104.187 84.8.110.17
New IPv4 addresses for the ZCC Flow Script widget and HTTP Call widget endpoints: 145.241.111.23 158.101.246.120
Removed IPv4 addresses for the ZVA Flow Script widget endpoints: 79.72.1.202 80.225.76.19 84.8.104.187 84.8.110.17
New IPv4 addresses for the ZVA Flow Script widget endpoints: 84.8.109.27 130.110.100.148
New IPv4 addresses for the ZVA HTTP call widget, AI expert assist, and knowledge base to sync content endpoints: 3.66.90.228 13.37.194.4 144.24.221.20 145.241.105.147
Completed -
The scheduled maintenance has been completed.
Aug 8, 03:01 PDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 7, 23:00 PDT
Scheduled -
Zoom will perform service maintenance at Vancouver (YVR ) Datacenter. During the maintenance window, Users may experience an impact for a brief amount of time for services mentioned.
Jul 27, 12:20 PDT
Completed -
The scheduled maintenance has been completed.
Aug 8, 03:00 PDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 7, 20:00 PDT
Scheduled -
Zoom will perform service maintenance at our "US West (SJC10)" and "US East (IAD10)" sip zones sequentially starting at 8:00 PM Pacific on August 7th. Zoom Phone users registered to the those sip zones will be automatically registered in the other side sip zone sequentially. During the maintenance window, a brief disconnection may be experienced and notifications may be missed. If you get disconnected, the system will attempt to reconnect you automatically.
Traffic will be routed back to the original sip zone once the maintenance is completed.
Jul 13, 17:47 PDT
Completed -
The scheduled maintenance has been completed.
Aug 7, 13:00 PDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 7, 08:00 PDT
Scheduled -
Zoom will perform network maintenance at our China data center. Below services may be interrupted or unavailable to users in China and Hong Kong during the maintenance.
Jul 2, 10:21 PDT
Completed -
The scheduled maintenance has been completed.
Aug 7, 11:00 PDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 7, 04:00 PDT
Scheduled -
Zoom will perform service maintenance at our Australia (Sydney) data center starting at 09:00 PM AEST (4:00 AM Pacific) on 7th August 2026. Zoom Contact Center users registered to the Sydney data center will be automatically registered in an alternative data center (Melbourne). During the maintenance window, a brief disconnection may be experienced and notifications may be missed. If you get disconnected, the system will attempt to reconnect you automatically. Once the Sydney maintenance completes, will perform the similar activity in Melbourne.
If you are a BYOC (Bring Your Own Carrier) customer, please ensure that your Session Border Controller (SBC) is configured with alternate routing to Zoom’s Frankfurt data center in addition to the Amsterdam data center. During the maintenance window, connectivity to Zoom’s Sydney data center will be blocked which will force calls from the Session Border Controller (SBC) to failover to Zoom’s Melbourne data center. Traffic will continue to be routed through the Zoom Sydney data center once the maintenance is completed.
Jul 13, 03:16 PDT
Completed -
The scheduled maintenance has been completed.
Aug 3, 03:00 PDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 2, 23:00 PDT
Scheduled -
Zoom will perform service maintenance at Vancouver (YVR ) Datacenter. During the maintenance window, users may experience an impact for a brief amount of time for services mentioned.
Jul 27, 12:07 PDT
Resolved -
This incident has been resolved and the affected service have been restored.
Aug 2, 09:38 PDT
Monitoring -
On August 2, between 15:28 UTC - 15:38 UTC, a subset of users experienced degraded Zoom meeting quality. The issue has been successfully resolved.
Our team will continue to monitor the situation closely and keep you informed of any further developments.
Aug 2, 09:26 PDT