Graylog Enterprise License Violation

[AmrAbdelFattah (Amr Mostafa)]

dears,
i installed graylog3 enterprise license ,after 1 day i received above mentioned error in most of graylog pages ,we received below error in server.log (bearing in mind that grayloginstalled on linux RHEL7 server and not connected to internet as per our security policy)

2019-06-29T23:19:58.261+02:00 ERROR [MongoAuditLogPeriodical] Not running cleanup for auditlog entries in MongoDB because there is no valid license.
2019-06-29T23:19:58.263+02:00 WARN [LicenseChecker] License violation - Failed to report license status to Graylog, Inc. - consecutive failures: 126, limit: 72
2019-06-29T23:24:58.267+02:00 WARN [LicenseChecker] License violation - Failed to report license status to Graylog, Inc. - consecutive failures: 126, limit: 72
2019-06-29T23:24:58.403+02:00 WARN [LicenseReportPeriodical] Unable to connect to license server: Connection refused.
2019-06-29T23:29:58.264+02:00 WARN [LicenseChecker] License violation - Failed to report license status to Graylog, Inc. - consecutive failures: 127, limit: 72
2019-06-29T23:34:58.263+02:00 WARN [LicenseChecker] License violation - Failed to report license status to Graylog, Inc. - consecutive failures: 127, limit: 72

[jan (Jan Doberstein)]

if you want to use the free enterprise license - the agreement between you and Graylog is that your system is reporting back to us … if that is not possible, you need to contact sales to get a license that does not need to phone home. But that will not be free.