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"An error occurred during OAuth2 operation" while accessing the vRealize Orchestrator Control Center (2151282)

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Symptoms

When you attempt to access VMware vRealize Orchestrator Control Center, you receive an error similar to:

An error occurred during OAuth2 operation.  Please contact your administrator to resolve the issue.
( "error": "invalid_request", "error_description": "Must provide a valid redirection uri." )

Cause

This issue occurs when some upgrade tasks related to vRealize Orchestrator's RBAC activation failed to process.

Resolution

This is a known issue affecting VMware vRealize Automation 7.3.
 
Currently, there is no resolution.

To work around this issue:
  1. Snapshot or backup your environment before proceeding.

  2. Identify the master database node in your vRA HA environment and stop vco-server and vco-configurator services on all other nodes.

    1. Identify the master database node by navigating to VAMI UI > vRA Settings > Database tab.
    2. Log in to replica nodes through SSH  and run these commands:

      service vco-server stop
      service vco-configurator stop

  3. Log in to vRA master node through SSH and run this command:

    rm /etc/vco/app-server/vco-registration-id

  4. View or edit the /etc/vco/app-server/sso.properties configuration file.

    If the property name com.vmware.o11n.sso.admin.group.name contains intervals or any other bash related special symbols, edit the file as:

    1. Copy the line with the property and put some simple string for value, for example AdminGroup.
    2. Comment the original line with the property by adding # at the beginning of the line.

  5. Reconfigure the vco-service by running this command:

    vcac-vami vco-service-reconfigure

  6. If you have changed the sso.properties file in step 4:

    1. Un-comment the original line containing the property com.vmware.o11n.sso.admin.group.name.
    2. Remove the newly added line with the temporary group name.
    3. Restart the vco-server service by running this command:

      service vco-server restart

  7. Start/restart the  vco-configurator service by running this command:

    service vco-configurator restart

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