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Cloud Grid

Zscaler provides transparency around service availability and changes to our customers. Please refer to Zscaler’s service continuity customer notification policy for details.

Zscaler has a recurring service patch window every week on Monday, Thursday, Friday and Saturday during regional off-peak hours. These service patches are seamless and do not result in any downtime for customers. Customer-facing features are in the release notes here.
DETAILS
Chicago (CHI1) Data Center Network Maintenance
Scheduled For: February 27, 2018 | 2:00 UTC - 6:00 UTC
During the following maintenance window, we will be performing  network maintenance at our Chicago (CHI1) Data Center.  During certain parts of the maintenance window,  network performance degradation may occur for periods...
Singapore (SIN2) Data Center Network Maintenance
Scheduled For: March 04, 2018 | 5:00 UTC - 11:00 UTC
During the following maintenance window, our service provider will be performing network maintenance at out Singapore (SIN2) Data Center.  During the maintenance window the SIN2 Data Center will be unavailable.Other Zscaler sites...
DATE/TIME SUMMARY DETAILS STATUS

There are no open incidents! Click here to see past resolved incidents.

Data Center

Historical Availability
Cloud LocationDate
Feb 26Feb 25Feb 24Feb 23Feb 22Feb 21Feb 20Feb 19Feb 18Feb 17Feb 16Feb 15Feb 14Feb 13Feb 12Feb 11Feb 10Feb 9Feb 8Feb 7Feb 6Feb 5Feb 4
Asia
 Chennai
 Hong Kong
 Hong Kong II
 Hong Kong III
 Kuala Lumpur
 Melbourne
 Mumbai II
 Mumbai II
 Shanghai
 Singapore
 Singapore IV
 Sydney
 Sydney III
 Taipei
 Tianjin
 Tianjin
 Tokyo II
 Tokyo IV
Middle East
 Abu Dhabi
 Cairo
 Doha
 Dubai
 Kuwait City
 Riyadh
 Riyadh II
Europe
 Amsterdam
 Brussels
 Brussels
 Copenhagen
 Frankfurt IV
 London III
 Madrid
 Milan II
 Moscow III
 Oslo II
 Paris II
 Stockholm
 Tel Aviv
 Warsaw
 Zurich
Africa
 Capetown
 Johannesburg
 Lagos
Latin America
 Sao Paulo
US & Canada
 Atlanta II
 Chicago
 Dallas I
 Denver
 Los Angeles
 Miami II
 New York
 New York II
 New York III
 San Francisco IV
 Seattle
 Toronto II
 Washington DC
* Note: There may be more than one Data Center in a particular city.

Core Cloud Services

Historical Availability
ServiceDate
Feb 26Feb 25Feb 24Feb 23Feb 22Feb 21Feb 20Feb 19Feb 18Feb 17Feb 16Feb 15Feb 14Feb 13Feb 12Feb 11Feb 10Feb 9Feb 8Feb 7Feb 6Feb 5Feb 4
 Admin UI
 Authentication
 DNS
 Nanolog
 PAC
 Security
 Traffic Forwarding
 Zscaler App Admin

Legend

Online

Cloud is up, fast, and secure

Re-routed

Zscaler customers will be re-routed to the next closest cloud node

Minor Disruption

Impact of LESS than 5 minutes

Major Disruption

Impact of GREATER than 5 minutes

Informational alert

Informational

Cloud Region Date
Last 15 minutes Last 24 hours Last 30 days Last 6 Months
Asia
Availability100%99.87%99.92%99.14%
Europe
Availability99.56%98.78%99.58%99.69%
Africa
Availability100%100%99.98%99.9%
Latin America
Availability100%100%100%100%
US & Canada
Availability100%100%99.79%99.82%

Zscaler uses a 3rd party monitoring service to send web traffic through all data centers every one minute from different ISPs and locations. The data shown are the aggregated results as monitored by the 3rd party. Regional availability figures are not to be considered as Zscaler SLA.