Having trouble claiming Plex server on Synology

Upgraded my home router and ended up having to change the IP address of my Synology. Followed this tutorial: Why am I locked out of Server Settings and how do I get in? | Plex Support - to reset and now and having to “claim” access to my server again. I’m able to run the server on my synology, but when i got to {local_ip_address}:32400 , it loads fine, and I go to “Claim” with my logged in account - the server is not able to claim, it just hangs, and it looks like 500 response in the backgroudn when I inspect web logs.

Server Version#: 1.25.1.5286
Player Version#:

Dec 07, 2021 22:06:04.827 [0x7f00ee2d1b38] DEBUG - Request: [192.168.4.20:65275 (Subnet)] POST /myplex/claim?token=xxxxxxxxxxxxxxxxxxxxU59Jja (4 live) GZIP Token ()
Dec 07, 2021 22:06:04.828 [0x7f00ee2d1b38] DEBUG - HTTP requesting POST https://plex.tv/api/claim/exchange?token=xxxxxxxxxxxxxxxxxxxxU59Jja
Dec 07, 2021 22:06:09.768 [0x7f00ee06fb38] DEBUG - Completed: [192.168.4.20:64603] 200 GET /player/proxy/poll?deviceClass=pc&protocolVersion=3&protocolCapabilities=timeline%2Cplayback%2Cnavigation%2Cmirror%2Cplayqueues&timeout=1 (4 live) GZIP 20000ms 5 bytes (pipelined: 12)
Dec 07, 2021 22:06:09.792 [0x7f00ee3c6b38] DEBUG - Request: [192.168.4.20:64603 (Subnet)] GET /player/proxy/poll?deviceClass=pc&protocolVersion=3&protocolCapabilities=timeline%2Cplayback%2Cnavigation%2Cmirror%2Cplayqueues&timeout=1 (4 live) GZIP Token ()
Dec 07, 2021 22:06:09.792 [0x7f00ee3c6b38] DEBUG - Content-Length is -1 (of total: -1).
Dec 07, 2021 22:06:09.833 [0x7f00ee2d1b38] ERROR - Error issuing curl_easy_perform(handle): 6
Dec 07, 2021 22:06:09.833 [0x7f00ee2d1b38] WARN - HTTP error requesting POST https://plex.tv/api/claim/exchange?token=xxxxxxxxxxxxxxxxxxxxU59Jja (6, Couldn't resolve host name) (Could not resolve host: plex.tv)
Dec 07, 2021 22:06:09.833 [0x7f00ee2d1b38] DEBUG - MyPlex: Did token exchange for claim (returnCode: -6)
Dec 07, 2021 22:06:09.834 [0x7f00ee2d1b38] DEBUG - MyPlex: Got a token poked, let's act on it.
Dec 07, 2021 22:06:09.835 [0x7f00ee2d1b38] DEBUG - HTTP requesting GET https://plex.tv/api/v2/user/privacy?X-Plex-Token=
Dec 07, 2021 22:06:14.841 [0x7f00ee2d1b38] ERROR - Error issuing curl_easy_perform(handle): 6
Dec 07, 2021 22:06:14.841 [0x7f00ee2d1b38] WARN - HTTP error requesting GET https://plex.tv/api/v2/user/privacy?X-Plex-Token=xxxxxxxxxxxxxxxxxxxxe host name) (Could not resolve host: plex.tv)
Dec 07, 2021 22:06:14.841 [0x7f00ee2d1b38] DEBUG - [Analytics] Using cached data for privacy preferences
Dec 07, 2021 22:06:14.842 [0x7f00ee2d1b38] DEBUG - HTTP requesting GET https://plex.tv/api/v2/release_channels?X-Plex-Token=
Dec 07, 2021 22:06:19.848 [0x7f00ee2d1b38] ERROR - Error issuing curl_easy_perform(handle): 6
Dec 07, 2021 22:06:19.848 [0x7f00ee2d1b38] WARN - HTTP error requesting GET https://plex.tv/api/v2/release_channels?X-Plex-Token=xxxxxxxxxxxxxxxxxxxxe host name) (Could not resolve host: plex.tv)
Dec 07, 2021 22:06:19.848 [0x7f00ee2d1b38] DEBUG - [AutoUpdateRequestHandler] Using cached data for update channels
Dec 07, 2021 22:06:19.848 [0x7f00ee2d1b38] DEBUG - HTTP requesting GET https://plex.tv/api/v2/features?X-Plex-Token=
Dec 07, 2021 22:06:24.853 [0x7f00ee2d1b38] ERROR - Error issuing curl_easy_perform(handle): 6
Dec 07, 2021 22:06:24.853 [0x7f00ee2d1b38] WARN - HTTP error requesting GET https://plex.tv/api/v2/features?X-Plex-Token=xxxxxxxxxxxxxxxxxxxxe host name) (Could not resolve host: plex.tv)
Dec 07, 2021 22:06:24.853 [0x7f00ee2d1b38] WARN - FeatureManager: Couldn't get features. Trying again soon.
Dec 07, 2021 22:06:24.853 [0x7f00ee2d1b38] DEBUG - Sync: onMyPlexSignOut
Dec 07, 2021 22:06:24.854 [0x7f00ee092b38] DEBUG - Completed: [192.168.4.20:65275] 500 POST /myplex/claim?token=xxxxxxxxxxxxxxxxxxxxU59Jja (4 live) GZIP 20026ms 522 bytes (pipelined: 1)
Dec 07, 2021 22:06:29.793 [0x7f00ee06fb38] DEBUG - Completed: [192.168.4.20:64603] 200 GET /player/proxy/poll?deviceClass=pc&protocolVersion=3&protocolCapabilities=timeline%2Cplayback%2Cnavigation%2Cmirror%2Cplayqueues&timeout=1 (4 live) GZIP 20001ms 5 bytes (pipelined: 13)
Dec 07, 2021 22:06:29.816 [0x7f00ee2d1b38] DEBUG - Request: [192.168.4.20:64603 (Subnet)] GET /player/proxy/poll?deviceClass=pc&protocolVersion=3&protocolCapabilities=timeline%2Cplayback%2Cnavigation%2Cmirror%2Cplayqueues&timeout=1 (4 live) GZIP Token ()
Dec 07, 2021 22:06:29.816 [0x7f00ee2d1b38] DEBUG - Content-Length is -1 (of total: -1).
Dec 07, 2021 22:06:29.859 [0x7f00ee0e9b38] ERROR - [MediaProviderManager] Error issuing curl_easy_perform(handle): 6
Dec 07, 2021 22:06:29.859 [0x7f00ee0e9b38] DEBUG - [MediaProviderManager] we had 0 cloud providers online, we now have 0

Changing the IP addresses will not impact credentials.

The DNS failures you have prevent it from authenticating what it already has as well as blocking any operation.

Dec 07, 2021 22:06:09.833 [0x7f00ee2d1b38] DEBUG - MyPlex: Did token exchange for claim (returnCode: -6)
Dec 07, 2021 22:06:09.834 [0x7f00ee2d1b38] DEBUG - MyPlex: Got a token poked, let's act on it.
Dec 07, 2021 22:06:09.835 [0x7f00ee2d1b38] DEBUG - HTTP requesting GET https://plex.tv/api/v2/user/privacy?X-Plex-Token=
Dec 07, 2021 22:06:14.841 [0x7f00ee2d1b38] ERROR - Error issuing curl_easy_perform(handle): 6

CURL error 6 = DNS lookup failure.

Check the DNS values in your Control Panel - Network.

Make sure they point to the new router IP or point externally to something like google’s 8.8.8.8

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