# Tlsv1 alert unknown ca
**URL:** https://forums.plex.tv/t/tlsv1-alert-unknown-ca/752579
**Category:** Plex Media Server
**Tags:** server-windows, samsung-tizen
**Created:** [October 23, 2021, 3:05pm UTC](https://forums.plex.tv/t/tlsv1-alert-unknown-ca/752579 "2021-10-23T15:05:39Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@pricie1991](https://forums.plex.tv/u/pricie1991)
#### Post date: [October 23, 2021, 3:05pm UTC](https://forums.plex.tv/t/tlsv1-alert-unknown-ca/752579/1 "2021-10-23T15:05:39Z")
Server Version#: 4.63.0
Player Version#: 5.25.3
Does anyone know how to fix the following certificate issue?
Samsung TV used to work fine couple of months ago, all images load but unable to play any films
playback error.
CERT: incomplete TLS handshake from [::ffff:31.124.159.72]:55057: tlsv1 alert unknown ca
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### Author:  [@pricie1991](https://forums.plex.tv/u/pricie1991)
#### Post date: [October 23, 2021, 3:31pm UTC](https://forums.plex.tv/t/tlsv1-alert-unknown-ca/752579/2 "2021-10-23T15:31:07Z")
I have also tried this on the samsung tv with no luck.
> [@Important information about Plex for smart TVs after September 30, 2021](https://forums.plex.tv/t/important-information-about-plex-for-smart-tvs-after-september-30-2021/746506):
>
> UPDATE: It appears that all Tizen-based Samsung sets are likely affected by the cert change and will thus need the app and server configured to allow insecure connections. On September 30, 2021, some older smart TVs (some Samsung, LG, Vizio, Hisense, and other unsupported TV platforms) will no longer be able to use secure connections to communicate with Plex Media Servers. These devices are no longer supported by their manufacturers, and won’t be receiving an update needed to continue making se…
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### Author:  [@dane22](https://forums.plex.tv/u/dane22)
#### Post date: [October 23, 2021, 3:54pm UTC](https://forums.plex.tv/t/tlsv1-alert-unknown-ca/752579/3 "2021-10-23T15:54:39Z")
Go here:
> [@SSL Certificate Reset - Difficult Cases](https://forums.plex.tv/t/ssl-certificate-reset-difficult-cases/747838):
>
> @ChuckPa Can I get a little help too. My server isn’t reachable locally or remotely. I have the unable to connect to my server securely message. It also will randomly connect for about a minute before becoming unreachable again.
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### Author:  [@pricie1991](https://forums.plex.tv/u/pricie1991)
#### Post date: [October 23, 2021, 4:16pm UTC](https://forums.plex.tv/t/tlsv1-alert-unknown-ca/752579/4 "2021-10-23T16:16:42Z")
Thanks posted there.
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### Author:  [@system](https://forums.plex.tv/u/system)
#### Post date: [January 21, 2022, 4:17pm UTC](https://forums.plex.tv/t/tlsv1-alert-unknown-ca/752579/5 "2022-01-21T16:17:41Z")
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