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Qlik Sense Enterprise Upgrade to May 2021 or higher version getting error "An error occurred" "The proxy is waiting for a new session"
Issue:
Qlik Sense Enterprise version February 2021 when trying to upgrade to May 2021 or higher version, there is no issue with upgrade but when accessing HUB and QMC getting a error message "An error occurred" "The proxy is waiting for a new session".
Environment
- Qlik Sense Enterprise (February 2021 version)
Troubleshooting and Resolution
-Checked all the Qlik services if running.
-Checked port 4900 is listening and if port 4900 is not listed do this article:
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