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Cannot reach Qlik Sense Enterprise on Windows QMC or HUB after recent Windows System Update

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Eugene_Sleator
Support
Support

Cannot reach Qlik Sense Enterprise on Windows QMC or HUB after recent Windows System Update

After a recent Windows System Update, access to the QMC and HUB is lost. 

Example error:

ERR_CONNECTION_REFUSED

can't reach this page.png

 

An issue has been identified with the following Microsoft KBs: 

Windows Server 2022:  KB5019081 and KB5020619
For Windows  Server 2019:  KB5019966 and KB5020615 

 

Resolution

Qlik is investigating the root cause. A workaround has been identified. 

 

Workaround

Disable IPv6 on the Network Card used by Qlik Sense.

  1. Open the Control Panel.
  2. Open Network and Internet.
  3. Open Network and Sharing Center.
  4. Click Change Adapter Settings.
  5. Right-click your connection and go to Properties.
  6. Uncheck the box next to Internet Protocol Version 6 (TCP/IPv6) to disable it.
  7. Reboot all the Qlik Sense Nodes

 

Cause:

The root cause is a recent Microsoft Security upgrade.

The currently suspected KBs* affecting Qlik Sense are:

KB5019081 
KB5020619 
KB5019966 
KB5020615 

*This list is not exhaustive and may be updated if more are identified.

 

Internal Investigation ID(s):

(pending)

 

Related Content:

Qlik Sense Enterprise on Windows: Internal Error while accessing Data Load Editor, Data Manager, and... 

 

Environment:

Qlik Sense Enterprise on Windows 

 

 

Labels (1)
Comments
pjk
Employee
Employee

Another alternative solution is to add the IPv6-address (central node seems to be enough) to the pg_hba.config-file.

Version history
Last update:
a week ago
Updated by: