we have some issue inconfluence the users are unable to logining all users but we can login as admin

[raghu]

the data base team is done some changes in db then admin can access but the users are not able to login ?

may be syncranisation issue ...we are using ldap and crowd synk with jira

[Nic Brough -Adaptavist-]

Your database team should not be touching the data in a confluence database, it breaks things.

My guess is that the "can log in" group has been broken.  As an admin, have a look in global permissions to see who can use Confluence and then check the group has users in it.