Difference between revisions of "Modern UI is not accessible"

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====Problem====
 
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Modern UI is not accessible directly or its fall back to classic UI when clicking on Modern Web App.
 
Modern UI is not accessible directly or its fall back to classic UI when clicking on Modern Web App.
 
  
 
====Solution====
 
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# /opt/zimbra/log/zmmailboxd.out  
 
# /opt/zimbra/log/zmmailboxd.out  
 
# latest install.log from /tmp/  [if available]  
 
# latest install.log from /tmp/  [if available]  
# latest zmsetup.log  
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# latest zmsetup.log (under /opt/zimbra/log)
 
# Output of "rpm -qa" or "dpkg -l"  
 
# Output of "rpm -qa" or "dpkg -l"  
  

Latest revision as of 07:20, 24 June 2020

Modern UI is not accessible


   KB 24112        Last updated on 2020-06-24  




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Problem

Modern UI is not accessible directly or its fall back to classic UI when clicking on Modern Web App.

Solution

Following are the possible solutions to fix this issue.

Scenario 1

Try to reinstall "zimbra-timezone-data" package.

[RHEL/CentOS]

yum reinstall zimbra-timezone-data -y 
su - zimbra
zmmailboxdctl restart

[Ubuntu]

apt install --reinstall zimbra-timezone-data
su - zimbra
zmmailboxdctl restart

If ModernUI is still not loading then collect the browser debug logs (https://web_client_url/?dev=1) along with server logs and share with Zimbra Support for furtehr troubleshooting.

  1. /opt/zimbra/log/mailbox.log
  2. /opt/zimbra/log/zmmailboxd.out
  3. latest install.log from /tmp/ [if available]
  4. latest zmsetup.log (under /opt/zimbra/log)
  5. Output of "rpm -qa" or "dpkg -l"
Scenario 2

The value of an attribute zimbraFileUploadMaxSize can also cause this issue as Int cannot represent non 32-bit signed integer value "21474836480" while loading the modern UI.

Make the following changes :

su - zimbra
zmprov ms `zmhostname` zimbraFileUploadMaxSize 21474836480

Now access the Modern UI.

Scenario 3

The partial upgrade can cause the issue. To verify it, check /opt/zimbra/log/zmsetup.date-time.log and /opt/zimbra/.install_history files.


Submitted by: Krishna M. Bhosale
Verified Against: ZCS 9.0 Date Created: 2020-06-24
Article ID: https://wiki.zimbra.com/index.php?title=Modern_UI_is_not_accessible Date Modified: 2020-06-24



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