Not able to signin post gitlab restore on new ubuntu 20.04 instance

We have gitlab 10.5.2ce running on ubuntu 16.04, we are creating a fresh installation on ubuntu 20.04 with 10.5.2 version and restoring backups on new instance. before restore, have copied gitlab.rb and gitlab-secrets.json files and have successfully executed gitlab reconfigured.
Able to see gitlab sign in page but not able to login.

gitlab.rb content

Set the initial default admin password.

gitlab_rails[‘initial_root_password’] = “password”

sudo gitlab-rake gitlab:check --trace [output]

Redis version >= 2.8.0? … yes
Ruby version >= 2.3.5 ? … yes (2.3.6)
Git version >= 2.9.5 ? … yes (2.14.3)
Git user has default SSH configuration? … yes
Active users: … 14

Checking GitLab … Finished

** Execute gitlab:check

cc:@shubhamjk