Keeps asking for a domain certificate that does not match what is used (nextcloud server or client ?)

What app is this about, and its version: Nextcloud 31.0.11~ynh1
What YunoHost version are you running: YunoHost 12.1.36 (stable)
What type of hardware are you using: VPS bought online

Describe your issue

Hello there (i’m french, please use french if it’s better for you),

I have just done a new install of YunoHost on an ovh VPS to set up a nextcloud. I have managed to clear all the different errors that i got browsing through this forum. But …

I have installed a desktop client on my windows machine and it keeps bothering me because it doesn’t recognize the certificate for cloud.yaeghs.net .

But … I don’t have a cloud.yaeghs.net domain , my nextcloud is installed on nextcloud.yaeghs.net . And I never ever given a cloud.yaeghs.net adress to my desktop application.

And in fact, the synchronization goes very well between the client and the server without errors. But every now and then, it pops up.

I don’t know where to look for answers. I don’t even know if the problem is a yunohost one or a nextcloud one. Would you have an idea ?

The logs of the client (below) doesn’t speak at all of cloud.yaeghs.net only about nextcloud.yaeghs.net . I’m lost.

Share relevant logs or error messages

2025-12-03 14:50:55:014 [ info nextcloud.sync.networkjob C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\abstractnetworkjob.cpp:368 ]:	OCC::RequestEtagJob created for "https://nextcloud.yaeghs.net" + "/" "OCC::Folder"
2025-12-03 14:50:55:483 [ info nextcloud.sync.credentials.webflow C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\creds\webflowcredentials.cpp:411 ]:	request finished QUrl("https://nextcloud.yaeghs.net/remote.php/dav/files/louis/") with request id "c385b171-fdc6-4569-b0df-7a4f790f5281"
2025-12-03 14:50:55:483 [ info nextcloud.sync.networkjob.etag C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\networkjobs.cpp:93 ]:	Request Etag of QUrl("https://nextcloud.yaeghs.net/remote.php/dav/files/louis/") FINISHED WITH STATUS "OK"
2025-12-03 14:50:56:876 [ info nextcloud.sync.accessmanager C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\accessmanager.cpp:72 ]:	2 "" "https://nextcloud.yaeghs.net/ocs/v2.php/apps/user_status/api/v1/user_status?format=json" has X-Request-ID "c2e7f33e-9298-4174-b480-1a83456db590"
2025-12-03 14:50:56:876 [ info nextcloud.sync.networkjob C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\abstractnetworkjob.cpp:368 ]:	OCC::JsonApiJob created for "https://nextcloud.yaeghs.net" + "/ocs/v2.php/apps/user_status/api/v1/user_status" "OCC::UserStatusConnector"
2025-12-03 14:50:56:876 [ info nextcloud.sync.accessmanager C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\accessmanager.cpp:72 ]:	2 "" "https://nextcloud.yaeghs.net/ocs/v2.php/apps/notifications/api/v2/notifications?format=json" has X-Request-ID "0055ea7b-2a35-48dc-9778-fbc6048063c6"
2025-12-03 14:50:56:876 [ info nextcloud.sync.networkjob C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\abstractnetworkjob.cpp:368 ]:	OCC::JsonApiJob created for "https://nextcloud.yaeghs.net" + "ocs/v2.php/apps/notifications/api/v2/notifications" "OCC::ServerNotificationHandler"
2025-12-03 14:50:56:945 [ info nextcloud.sync.credentials.webflow C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\creds\webflowcredentials.cpp:411 ]:	request finished QUrl("https://nextcloud.yaeghs.net/ocs/v2.php/apps/notifications/api/v2/notifications?format=json") with request id "0055ea7b-2a35-48dc-9778-fbc6048063c6"
2025-12-03 14:50:56:945 [ info nextcloud.sync.networkjob.jsonapi C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\networkjobs.cpp:1118 ]:	JsonApiJob of QUrl("https://nextcloud.yaeghs.net/ocs/v2.php/apps/notifications/api/v2/notifications?format=json") FINISHED WITH STATUS "OK"
2025-12-03 14:50:56:945 [ warning nextcloud.sync.networkjob.jsonapi C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\networkjobs.cpp:1139 ]:	Nothing changed so nothing to retrieve - status code:  304
2025-12-03 14:50:56:945 [ info nextcloud.gui.servernotification C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\tray\notificationhandler.cpp:80 ]:	Status code  304  Not Modified - No new notifications.
2025-12-03 14:50:56:973 [ info nextcloud.sync.credentials.webflow C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\creds\webflowcredentials.cpp:411 ]:	request finished QUrl("https://nextcloud.yaeghs.net/ocs/v2.php/apps/user_status/api/v1/user_status?format=json") with request id "c2e7f33e-9298-4174-b480-1a83456db590"
2025-12-03 14:50:56:973 [ info nextcloud.sync.networkjob.jsonapi C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\networkjobs.cpp:1118 ]:	JsonApiJob of QUrl("https://nextcloud.yaeghs.net/ocs/v2.php/apps/user_status/api/v1/user_status?format=json") FINISHED WITH STATUS "OK"
2025-12-03 14:51:24:856 [ info nextcloud.gui.account.state C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\accountstate.cpp:597 ]:	Skipping server availability check for account "louis" with state 2
2025-12-03 14:51:24:856 [ info nextcloud.gui.account.state C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\accountstate.cpp:282 ]:	check connectivity
2025-12-03 14:51:24:856 [ info nextcloud.sync.accessmanager C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\accessmanager.cpp:72 ]:	6 "PROPFIND" "https://nextcloud.yaeghs.net/remote.php/dav/files/louis/" has X-Request-ID "c7bf2125-c94d-4fdc-bfd4-7227a1af1bc8"
2025-12-03 14:51:24:856 [ info nextcloud.sync.networkjob C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\abstractnetworkjob.cpp:368 ]:	OCC::PropfindJob created for "https://nextcloud.yaeghs.net" + "/" "OCC::ConnectionValidator"
2025-12-03 14:51:25:023 [ info nextcloud.gui.folder.manager C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\folderman.cpp:1028 ]:	Etag poll timer timeout
2025-12-03 14:51:25:023 [ info nextcloud.gui.folder.manager C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\folderman.cpp:1032 ]:	Folders to sync: 1
2025-12-03 14:51:25:023 [ info nextcloud.gui.folder.manager C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\folderman.cpp:1042 ]:	Number of folders that don't use push notifications: 1
2025-12-03 14:51:25:023 [ info nextcloud.gui.folder.manager C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\folderman.cpp:1059 ]:	Run etag job on folder OCC::Folder(0x246a3aebe60)
2025-12-03 14:51:25:023 [ info nextcloud.sync.credentials.webflow C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\creds\webflowcredentials.cpp:411 ]:	request finished QUrl("https://nextcloud.yaeghs.net/remote.php/dav/files/louis/") with request id "c7bf2125-c94d-4fdc-bfd4-7227a1af1bc8"
2025-12-03 14:51:25:024 [ info nextcloud.sync.networkjob.propfind C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\networkjobs.cpp:807 ]:	PROPFIND of QUrl("https://nextcloud.yaeghs.net/remote.php/dav/files/louis/") FINISHED WITH STATUS "OK"
2025-12-03 14:51:25:024 [ info nextcloud.gui.folder C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\folder.cpp:353 ]:	Trying to check "https://nextcloud.yaeghs.net/remote.php/dav/files/louis/" for changes via ETag check. (time since last sync: 809 s)
2025-12-03 14:51:25:024 [ info nextcloud.sync.accessmanager C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\accessmanager.cpp:72 ]:	6 "PROPFIND" "https://nextcloud.yaeghs.net/remote.php/dav/files/louis/" has X-Request-ID "f27b27bf-01b4-4f9b-89bc-7b85cf86a25e"
2025-12-03 14:51:25:024 [ info nextcloud.sync.networkjob C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\abstractnetworkjob.cpp:368 ]:	OCC::RequestEtagJob created for "https://nextcloud.yaeghs.net" + "/" "OCC::Folder"
2025-12-03 14:51:25:132 [ info nextcloud.sync.credentials.webflow C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\creds\webflowcredentials.cpp:411 ]:	request finished QUrl("https://nextcloud.yaeghs.net/remote.php/dav/files/louis/") with request id "f27b27bf-01b4-4f9b-89bc-7b85cf86a25e"
2025-12-03 14:51:25:132 [ info nextcloud.sync.networkjob.etag C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\libsync\networkjobs.cpp:93 ]:	Request Etag of QUrl("https://nextcloud.yaeghs.net/remote.php/dav/files/louis/") FINISHED WITH STATUS "OK"
2025-12-03 14:51:31:558 [ info nextcloud.gui.account.state C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\accountstate.cpp:597 ]:	Skipping server availability check for account "lhp" with state 0
2025-12-03 14:51:31:558 [ warning nextcloud.gui.account.state C:\Users\User\AppData\Local\Temp\windows-35375\client-building\desktop\src\gui\accountstate.cpp:586 ]:	Account is signed out due to SSL Handshake error. Going to perform a sign-in attempt...

Une entrée correspondant à cloud.yaeghs.net dans le fichier nextcloud.cfg ?

You’re a lifesaver.

I had remains of a veeeeerrryyy old nextcloud that I tried to use for fun 6 (?) years ago (with yunohost, already). And one of the old config file had this address, still, and hasn’t been overrun by the new install.

I deleted all the config files to let them be regenerated. Now it works !

Thank you very much !

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