SAP Knowledge Base Article - Public

2993610 - Cloud Connector based scenarios stopped working in SAP Analytics Cloud (SAC)


  • Scenarios that require Cloud Connector fails intermittently in SAP Analytics Cloud.
  • It affects Advanced features like Scheduling a Publication or Cloud Connector based mobile SSO. 
  • Sometimes it works fine and all the data is being displayed properly or in case of scheduling the requests are completed successfully, but often you might observe some error message. 
  • Checking the Cloud Connector .ljs traces, the following entries can be seen multiple times: #Unable to handshake with notification server connectivitynotification.[landscape].[data center] Invalid status of handshake response: 502 Bad Gateway

#Reconnect attempt \#2 to connectivitynotification.[landscape].[data center] sleeping for 60 seconds|

#Successfully established tunnel channel to notification service: 


  • SAP Analytics Cloud (Enterprise) 2020
  • SAP Cloud Connector

Reproducing the Issue

  1. Logon to SAC either using the desktop version or the mobile application.
  2. Notice that the scenarios that require Cloud Connector (Schedule a publication or mobile SSO) fails intermittently with different error messages.


This issue is caused by an outage in the notification service.


The Cloud Platform team have applied a hot-fix to resolve this issue as of 19th November 2020.

See Also

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SAP Analytics Cloud 1.0