Cannot log in to SDDC Manager due to a blank login screen
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Cannot log in to SDDC Manager due to a blank login screen

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Article ID: 433712

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Updated On:

Products

VMware SDDC Manager

Issue/Introduction

Symptoms:

  • Cannot log in to SDDC Manager due to a blank login screen.
  • The browser URL displays https://<vCenter FQDN>/websso/SAML2/SSO/vsphere.local?SAMLRequest=...
  • "FAILED to Authenticate/Authorize: Invalid signature" is logged in /var/log/vmware/vcf/sddc-manager-ui-app/sddcManagerServer.log on the SDDC Manager.

Environment

VMware SDDC Manager 9.0

Resolution

1. SSH into the SDDC Manager using the vcf user.
2. Switch to the root user.
3. Execute the following command to restart the sddc-manager-ui-app service:
    systemctl restart sddc-manager-ui-app
4. Wait for approximately 5 minutes and verify if login to the SDDC Manager is possible.

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