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Distributed Learning Technologies

Zoom Service Interruptions

This page is an archived log of all service interruptions affecting Zoom and its associated services.

Zoom maintenance and service interruptions log
DateStartEndStatusNotes
11/14/202010:0311:00ImpactedUnable to dial in
11/12/20201:342:06ImpactedDelays starting and joining meetings
11/10/20206:007:02ImpactedIssue with joining meetings and webinars
11/08/20209:011:00NormalWeb Backend Update
10/26/201:003:00NormalClient Update
10/17/201:0112:00NormalPhone Update
10/17/201:0112:00NormalWeb Backend Update
10/7/201:332:14ImpactedIssue with joining meetings and webinars
10/5/208:079:49ImpactedIssue with Zoom Phone Service
10/2/2012:332:25ImpactedIssue with Web SDK & Web Client
9/30/209:201:47ImpactedIssue with Split Meetings
9/30/207:291:14ImpactedIssue with Webhook
9/29/209:4311:17ImpactedIssue with Split Meetings
9/26/206:0112:00NormalWeb Backend Update
9/19/207:0011:00NormalWeb Backend Update
9/15/207:008:25ImpactedUsers unable to login
9/12/207:001:00NormalWeb Backend Update: Web Client
9/5/207:001:01NormalWeb Backend Update
8/27/2012:358:17ImpactedZoom Cloud Recording Process Delays
8/24/205:5110:10ImpactedUsers unable to start/join meetings
5/26/20--NormalMay 2020 Zoom updates
5/17/206:449:14ImpactedZoom stability
4/20/20--NormalApril 2020 Zoom updates
4/2/209:00pm12:15pmImpactedZoom Cloud Recording Feature Disabled
1/9/199:0410:50ImpactedUsers experiencing slow connections
10/24/188:009:00NormalRFC - Zoom SAML Role Mapping
7/25/184:308:00NormalZoom to Kaltura Integration

November 14, 2020: Users are unable to dial in to Canada phone numbers

  • Start:Saturday, November 14 at 10:03 AM
  • End:Saturday, November 14 at 11:00 AM
  • Duration: 1 hour

Zoom reported an issue that a subset of users that were dialing into Canadian numbers or have set their telephony mixing to Canada will receive invalid meeting ID.

November 12, 2020: Delays starting and joining meetings from Mac OS clients

  • Start:Thursday, November 12 at 1:34 PM
  • End:Thursday, November 12 at 2:06 PM
  • Duration: 30 minutes

Zoom reported an issue causing delays in Mac devices hosting or joining meetings. Zoom identified the cause of this issue as a delay in the underlying operating system to perform certificate validation when establishing a connection to Zoom.

November 10, 2020: Issue with joining meetings and webinars

  • Start:Tuesday, November 10 at 6:00 AM
  • End:Tuesday, November 10 at 7:02 AM
  • Duration: 1 hour

On Tuesday, November 10th, zoom reported that there was an issue that caused long join times for a subset of users. 

November 8, 2020: Zoom Web Backend Update

  • Start:Saturday, November 7 at 9:01 PM
  • End:Sunday, November 8 at 1:00 AM
  • Duration: 4 hours

On Saturday, November 7th, Zoom started a scheduled update that includes additional administrator and Zoom Rooms settings. For further details visit Zoom Web Updates .

October 26, 2020: Client Update

  • Start:Thursday, October 26 at 1:00 AM
  • End:Thursday, September 26 at 3:00 AM
  • Duration: 2 hours

On Thursday, October 26th, Zoom started scheduled maintenance to provide a new version of their Mac, Windows, and Linux clients. They will also be performing a staggered release for iOS and Android on applicable app stores. This update will include end-to-end encryption for meetings and additional virtual background support. Update was completed within 2 hours.

For further details please visit:

Mac - Mac Update
Windows - Windows Update
Android - Android Update
iOS - iOS Update
Linux - Linux Update

October 17, 2020: Zoom Phone Update

  • Start:Saturday, October 17 at 1:01 PM
  • End:Sunday, September 18 at 12:00 AM
  • Duration: 11 hours

On Saturday, October 17th, Zoom started a scheduled update that includes auto provisioning of Poly D230 and additional supported devices. Update was completed within 11 hours. For further details visit Zoom Web Updates .

October 17, 2020: Zoom Web Backend Update

  • Start:Saturday, October 17 at 1:01 PM
  • End:Sunday, September 18 at 12:00 AM
  • Duration: 11 hours

On Saturday, October 17th, Zoom started a scheduled update that includes changes for the setting "only authenticated users can join meetings" and end to end encryption for meetings in technical preview. Update was completed within 11 hours. For further details visit Zoom Web Updates .

October 7, 2020: Issue with joining meetings and webinars

  • Start:Wednesday, October 7 at 1:33 PM
  • End:Wednesday, October 7 at 2:14 PM
  • End: .5 hour

On Wednesday, October 7th, users were experiencing connection issue when on Meetings and Webinars

October 5, 2020: Issue with Zoom Phone Services

  • Start:Monday, October 5 at 8:07 AM
  • End:Monday, October 5 at 9:49 AM
  • Duration: 1 hour

On Monday, October 5th, Zoom users were unable to make Zoom Phone calls 

October 2, 2020: Issue with Web SDK & Web Client

  • Start:Friday, October 2 at 12:33 PM
  • End:Friday, October 2 at 2:25 PM
  • Duration: 1.5 hours

On Friday, October 2nd, Zoom accounts were experiencing issue when trying to join meetings through Web Client and Web SDK.

September 30, 2020: Issue with Split Meetings

  • Start:Wednesday, September 30 at 9:20 AM
  • End:Wednesday, September 30 at 1:47 PM
  • Duration: 1.5 hours

On Wednesday, September 30th, Zoom users were experiencing issues when joininb video calls and being split off in to multiple meeting under the same meeting ID.

September 30, 2020: Issue with Webhook

  • Start:Wednesday September 30 at 7:29 AM
  • End:Wednesday, September 30 at 1:14 PM
  • Duration: 5.5 hours

On Wednesday, September 30th, some account were experiencing delays on Webhook

September 29, 2020: Issue with Split Meetings

  • Start:Tuesday, September 29 at 9:43 AM
  • End:Tuesday, September 29 at 11:17 AM
  • Duration: 1.5 hours

On Tuesday, September 29th, Zoom users were experiencing issue when joing video calls and being split off in to multiple meetings under the same meeting ID.

September 26, 2020: Zoom Web Backend Update

  • Start:Saturday, September 26 at 6:01 PM
  • End:Sunday, September 27 at 12:00 PM
  • Duration: 18 hours

On Saturday, September 26th, Zoom started a scheduled update that includes a requirement for accounts with a single licensed user, Pro accounts with 2 or more licenses, Business accounts with 10-100 licenses to enable a passcode or Waiting Room for all meetings. Update was completed within 18 hours. For further details visit Zoom Web Updates.

September 19, 2020: Zoom Web Backend Update

  • Start:Saturday, September 19 at 7:00 PM
  • End:Sunday, September 20 at 11:00 AM
  • Duration: 16 hours

On Saturday, September 19th, Zoom started a scheduled update that includes the ability to manage external contacts and specify users to bypass Single sign-on (SSO). Update was completed within 16 hours. For further details visit Zoom Web Updates.

September 15, 2020: Users unable to login

  • Start:Tuesday, September 15 at 7:00 AM
  • End:Tuesday, September 15 at 8:25 AM
  • Duration: 1.5 hours

On Tuesday, September 15th, Zoom login error during deployment of SSO integration change.

September 12,2020: Zoom Web Backend Update: Web Client

  • Start:Saturday, September 12 at 7:00 PM
  • End:Sunday, 13 September 13 at 1:00 PM
  • Duration: 17 hours

On Saturday, September 12th, Zoom started a scheduled update that includes new web client features. For further details visit, Zoom Web Updates

September 5, 2020: Zoom Web Backend Update

  • Start:Saturday, September 5 at 7:00 PM
  • End: Sunday, September 6 at 1:01 PM
  • Duration: 17 hours

On Saturday, September 5th, Zoom started it scheduled update that gives the user the ability to configure external authentication for meetings and webinars. Update was completed within 17 hours.

August 27, 2020: Zoom Cloud Recording Process Delay

  • Start:Thursday, August 27 at 12:35 PM
  • End:Wednesday, August 30 at 8:17 AM
  • Duration: 67.5 hours

On Thursday, August 27th, Zoom satus log indicated that Zoom Cloud was having recording processing delays. Venders were able to reslove the issue within 67.5 hours and backlog recordings were transcoded.

August 24, 2020: Users unable to start/join meetings

  • Start:Monday, August 24 at 5:51 AM
  • End: Monday, August 24 at 10:10 AM
  • Duration: 4.5 hours 

On Monday, August 24th, Zoom's status log indicated that some Zoom users were unable to visit the Zoom website (zoom.us) and unable to start and join Zoom Meetings and Webinars. Vendor technicians reported the issue resolved approximately 4.5 hours later.

May 26, 2020: Major Zoom update

Additional details are available here: May 2020 Zoom updates 

May 17, 2020: Zoom stability

  • Start: Sunday, May 17 at 6:44 AM
  • End: Sunday, May 17 at 9:17 AM
  • Duration: 2.5 hours
  • Components affected: Hosting and joining Zoom meetings

On Sunday, May 17, 2020, Zoom's status log indicated that some Zoom users may be experiencing issues hosting and joining meetings. Vendor technicians reported the issue resolved approximately 2.5 hours later.

April 20, 2020: Major Zoom update

Additional details are available here: April 2020 Zoom updates

April 2-3, 2020: Zoom cloud recording outage

  • Start: Thursday, April 2, 2020 at 9:00 PM
  • End: Friday, April 3, 2020 at 12:15 PM
  • Duration: 27 hours

The Zoom Cloud Recording Feature was disabled by Zoom by accident from 9:00pm on Thursday (4/2/2020) until 12:15pm on Friday (4/3/2020).

January 9, 2019: Slow connections to Zoom

  • Start: Wednesday, January 9th, 2019 9:04 AM PT
  • End: Wednesday, January 9th, 2019 10:50 AM PT
  • Duration: 2 hours

Users attempting to navigate to the zoom.us website experienced slow connections or the inability to load pages. Additionally, users attempting to connect to Zoom meetings or webinars were unable to do so.

Additional details are available here: Service Disruption 1-9-2019

October 24, 2018: Zoom SAML mapping update

Adding an extra row to Zoom's permission mapping so that users with a primary affiliation of "Student Active" will be able to log in.

Most students have a primary affiliation of "Student", but there is apparently a small population who are getting "Student Active", which Zoom does not recognize.

July 25, 2018: Zoom to Kaltura integration

Zoom To Kaltura Integration: Automate Kaltura ID.

We will make a change so that users do not have enter their Kaltura ID in their Zoom profile manually. SAML integration will pull the username and use it when moving their recordings to Kaltura.