# WowzaStreamingEngine license issue **URL:** \ **Category:** Wowza Streaming Engine\ **Created:** [May 26, 2022, 6:48am UTC](https://community.wowza.com/t/wowzastreamingengine-license-issue/95002 "2022-05-26T06:48:20Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![Tony\_Asmar](https://avatars.discourse-cdn.com/v4/letter/t/2bfe46/32.png) [@Tony\_Asmar](https://community.wowza.com/u/Tony_Asmar)\ **Post date:** [May 26, 2022, 6:48am UTC](https://community.wowza.com/t/wowzastreamingengine-license-issue/95002/1 "2022-05-26T06:48:20Z")
when I try to login to wowzastreamingengine manager I get the below error: REST API Authorization failed when connecting to server: ([http://localhost:8087](http://localhost:8087)) in wowza logs the below: | 2022-05-26 | 08:23:53 | CAT | comment | server | ERROR | 500 | - | The Wowza Media Systems Software licensing system was not able to connect to the licensing server to validate your license. Please validate that your machine is able to send HTTP data over TCP port 80 to the Internet. If this problem persists, please visit [https://www.wowza.com/subscriptionsupport.php](https://www.wowza.com/subscriptionsupport.php) for up to date information. | - | - | - | 3.457 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 2022-05-26 | 08:23:53 | CAT | comment | server | ERROR | 500 | - | system.exit[2] | - | - | - | 3.458 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:23:56 | CAT | comment | server | INFO | 200 | - | REST API: ConfigBase: init | - | - | - | 0.023 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:23:56 | CAT | comment | server | INFO | 200 | - | LicenseUpdateServer: Bind attempt ([any]:8087) | - | - | - | 0.143 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:23:56 | CAT | comment | server | INFO | 200 | - | LicenseUpdateServer: Bind successful ([any]:8087) | - | - | - | 0.315 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:23:56 | CAT | comment | server | INFO | 200 | - | RESTServer: Using configs from:/usr/local/WowzaStreamingEngine/ | - | - | - | 0.316 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:23:56 | CAT | comment | server | INFO | 200 | - | RESTServer: SSL:No | - | - | - | 0.318 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:23:56 | CAT | comment | server | INFO | 200 | - | RESTServer: BasicAuth:Yes | - | - | - | 0.319 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:23:56 | CAT | comment | server | INFO | 200 | - | RESTServer: Digest:No | - | - | - | 0.319 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:23:56 | CAT | comment | server | INFO | 200 | - | RESTServer: XML Viewer:No | - | - | - | 0.32 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:23:56 | CAT | comment | server | INFO | 200 | - | Wowza REST API started | - | - | - | 0.321 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:24:11 | CAT | comment | server | WARN | 200 | - | REST API: getRESTAPIHeaderValue: HTTP Header validation nonce is not defined | - | - | - | 15.049 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | | 2022-05-26 | 08:24:11 | CAT | comment | server | ERROR | 500 | - | REST API: Server request (GET): Not licensed-402: [http://localhost:8087/v2/servers/](http://localhost:8087/v2/servers/)_defaultServer_/users/APIS | - | - | - | 15.067 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | supposedly the connection is opened to Wowza license on port 80 [wowzalicense1.wowzamedia.com](http://wowzalicense1.wowzamedia.com) [wowzalicense4.wowzamedia.com](http://wowzalicense4.wowzamedia.com) [wowzalicense3.wowzamedia.com](http://wowzalicense3.wowzamedia.com) [wowzalicense2.wowzamedia.com](http://wowzalicense2.wowzamedia.com) ---
**Author:** ![Rose\_Power-Wowza\_Com](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/rose_power-wowza_com/32/431_2.png) [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\ **Post date:** [June 1, 2022, 8:29pm UTC](https://community.wowza.com/t/wowzastreamingengine-license-issue/95002/2 "2022-06-01T20:29:01Z")
We have an FAQ article on how to troubleshoot this error. If you’re not familiar with our FAQ page, it is linked to in the blue banner above. I will share the two articles I suggest you review, If you still have an issue, you can submit a support ticket so we can investigate more thoroughly. [https://support.wowza.com/hc/en-us/articles/1260802719009-Error-Message-Could-not-connect-to-the-Internet-to-validate-your-license](https://support.wowza.com/hc/en-us/articles/1260802719009-Error-Message-Could-not-connect-to-the-Internet-to-validate-your-license) [https://support.wowza.com/hc/en-us/articles/1260802668189-Error-Message-Your-License-is-Not-Valid](https://support.wowza.com/hc/en-us/articles/1260802668189-Error-Message-Your-License-is-Not-Valid) and also this one just in case it’s helpful: [https://support.wowza.com/hc/en-us/articles/1260803011850-I-Can-t-Login-to-Streaming-Engine-Manager](https://support.wowza.com/hc/en-us/articles/1260803011850-I-Can-t-Login-to-Streaming-Engine-Manager)