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diff --git a/doc/integration/ldap.md b/doc/integration/ldap.md
index f256477196b..cf1f98492ea 100644
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+++ b/doc/integration/ldap.md
@@ -204,3 +204,25 @@ When setting `method: ssl`, the underlying authentication method used by
`omniauth-ldap` is `simple_tls`. This method establishes TLS encryption with
the LDAP server before any LDAP-protocol data is exchanged but no validation of
the LDAP server's SSL certificate is performed.
+
+## Troubleshooting
+
+### Invalid credentials when logging in
+
+Make sure the user you are binding with has enough permissions to read the user's
+tree and traverse it.
+
+Also make sure that the `user_filter` is not blocking otherwise valid users.
+
+To make sure that the LDAP settings are correct and GitLab can see your users,
+execute the following command:
+
+
+```bash
+# For Omnibus installations
+sudo gitlab-rake gitlab:ldap:check
+
+# For installations from source
+sudo -u git -H bundle exec rake gitlab:ldap:check RAILS_ENV=production
+```
+