# Remote Reindex from 1.7 to 5.3 with source host using https

**URL:** <https://discuss.elastic.co/t/remote-reindex-from-1-7-to-5-3-with-source-host-using-https/92814>\
**Category:** Elasticsearch\
**Created:** [July 12, 2017, 1:19pm UTC](https://discuss.elastic.co/t/remote-reindex-from-1-7-to-5-3-with-source-host-using-https/92814 "2017-07-12T13:19:37Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ahmed\_Shalaby](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ahmed_shalaby/32/20002_2.png) [@Ahmed\_Shalaby](https://discuss.elastic.co/u/Ahmed_Shalaby)\
**Post date:** [July 12, 2017, 1:19pm UTC](https://discuss.elastic.co/t/remote-reindex-from-1-7-to-5-3-with-source-host-using-https/92814/1 "2017-07-12T13:19:38Z")

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Hi

I'm trying to use remote reindex from 1.7 cluster to new 5.3 cluster, the old one (1.7) is using https by client certificate so when I try the reindex request it gives me this exception _"PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target"_ is there a way to add source certificate to the reindex request ?

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [August 9, 2017, 1:19pm UTC](https://discuss.elastic.co/t/remote-reindex-from-1-7-to-5-3-with-source-host-using-https/92814/2 "2017-08-09T13:19:48Z")

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