# Cannot install shield plugin in elasticsearch Shield **URL:** \ **Category:** Elasticsearch\ **Created:** [October 3, 2016, 11:42am UTC](https://discuss.elastic.co/t/cannot-install-shield-plugin-in-elasticsearch-shield/62057 "2016-10-03T11:42:03Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![ANU\_SARA\_VARGHESE](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/anu_sara_varghese/32/51487_2.png) [@ANU\_SARA\_VARGHESE](https://discuss.elastic.co/u/ANU_SARA_VARGHESE)\ **Post date:** [October 3, 2016, 11:42am UTC](https://discuss.elastic.co/t/cannot-install-shield-plugin-in-elasticsearch-shield/62057/1 "2016-10-03T11:42:03Z")
Hi, I am trying to install shield 2.4.0 plugin in elasticsearch. But I am receiving the following error root@ip-x-x-x-x:/usr/share/elasticsearch/bin# ./plugin install shield -\> Installing shield... Trying [https://download.elastic.co/elasticsearch/release/org/elasticsearch/plugin/shield/2.4.0/shield-2.4.0.zip](https://download.elastic.co/elasticsearch/release/org/elasticsearch/plugin/shield/2.4.0/shield-2.4.0.zip) ... ERROR: failed to download out of all possible locations..., use --verbose to get detailed information I even tried to manually install the plugin but still my getting the following error root@ip-x-x-x-x:/usr/share/elasticsearch/bin# ./plugin install file:/usr/share/elasticsearch/shield-2.4.0.zip -\> Installing from file:/usr/share/elasticsearch/shield-2.4.0.zip... Trying file:/usr/share/elasticsearch/shield-2.4.0.zip ... Downloading .......................DONE Verifying file:/usr/share/elasticsearch/shield-2.4.0.zip checksums if available ... NOTE: Unable to verify checksum for downloaded plugin (unable to find .sha1 or .md5 file to verify) ERROR: Could not load plugin descriptor for existing plugin [automaton-1.11-8.jar]. Was the plugin built before 2.0? ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [October 3, 2016, 11:43am UTC](https://discuss.elastic.co/t/cannot-install-shield-plugin-in-elasticsearch-shield/62057/2 "2016-10-03T11:43:57Z")
I can see you have also posted [Cannot install shield plugin in elasticsearch](https://discuss.elastic.co/t/cannot-install-shield-plugin-in-elasticsearch/62052), let's use that one 🙂 ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [October 3, 2016, 11:44am UTC](https://discuss.elastic.co/t/cannot-install-shield-plugin-in-elasticsearch-shield/62057/3 "2016-10-03T11:44:00Z")