The Basics
- Nextcloud Server version (e.g., 29.x.x):
34.0.0
- Operating system and version (e.g., Ubuntu 24.04):
Debian GNU/Linux 13.5 (trixie) x86_64
- Reverse proxy and version _(e.g. nginx 1.27.2)
traefik 3.7.5
- PHP version (e.g, 8.3):
8.3.31
- Is this the first time you’ve seen this error? (Yes / No):
Yes
- When did this problem seem to first start?
Since Nextcloud 34
- Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
AIO
- Are you using CloudfIare, mod_security, or similar? (Yes / No)
No
Summary of the issue you are facing:
Everytime I try to open a file in ONLYOFFICE or EuroOffice I get “Download failed”
Logs
(EuroOffice)
Configuration
Nextcloud
The output of occ config:list system or similar is best, but, if not possible, the contents of your config.php file from /path/to/nextcloud is fine (make sure to remove any identifiable information!):
{
"system": {
"one-click-instance": true,
"one-click-instance.user-limit": 100,
"memcache.local": "\\OC\\Memcache\\APCu",
"apps_paths": [
{
"path": "\/var\/www\/html\/apps",
"url": "\/apps",
"writable": false
},
{
"path": "\/var\/www\/html\/custom_apps",
"url": "\/custom_apps",
"writable": true
}
],
"check_data_directory_permissions": true,
"memcache.distributed": "\\OC\\Memcache\\Redis",
"memcache.locking": "\\OC\\Memcache\\Redis",
"redis": {
"host": "***REMOVED SENSITIVE VALUE***",
"password": "***REMOVED SENSITIVE VALUE***",
"port": 6379,
"timeout": 3,
"read_timeout": 10
},
"overwritehost": "<redacted>",
"overwriteprotocol": "https",
"passwordsalt": "***REMOVED SENSITIVE VALUE***",
"secret": "***REMOVED SENSITIVE VALUE***",
"trusted_domains": [
"localhost",
"<redacted>"
],
"datadirectory": "***REMOVED SENSITIVE VALUE***",
"dbtype": "pgsql",
"version": "34.0.1.2",
"overwrite.cli.url": "https:\/\/<redacted>\/",
"dbname": "***REMOVED SENSITIVE VALUE***",
"dbhost": "***REMOVED SENSITIVE VALUE***",
"dbtableprefix": "oc_",
"dbuser": "***REMOVED SENSITIVE VALUE***",
"dbpassword": "***REMOVED SENSITIVE VALUE***",
"installed": true,
"instanceid": "***REMOVED SENSITIVE VALUE***",
"maintenance": false,
"updatechecker": true,
"loglevel": 2,
"log_type": "file",
"logfile": "\/var\/www\/html\/data\/nextcloud.log",
"log_rotate_size": 10485760,
"log.condition": {
"apps": [
"admin_audit"
]
},
"preview_max_x": 2048,
"preview_max_y": 2048,
"jpeg_quality": 60,
"enabledPreviewProviders": {
"0": "OC\\Preview\\Imaginary",
"1": "OC\\Preview\\MarkDown",
"2": "OC\\Preview\\MP3",
"3": "OC\\Preview\\TXT",
"4": "OC\\Preview\\OpenDocument",
"5": "OC\\Preview\\Movie",
"6": "OC\\Preview\\Krita",
"7": "OC\\Preview\\ImaginaryPDF",
"8": "OC\\Preview\\HEIC",
"9": "OC\\Preview\\TIFF",
"23": "OC\\Preview\\ImaginaryPDF"
},
"enable_previews": true,
"upgrade.disable-web": true,
"mail_smtpmode": "smtp",
"trashbin_retention_obligation": "auto, 30",
"versions_retention_obligation": "auto, 30",
"activity_expire_days": 30,
"simpleSignUpLink.shown": false,
"share_folder": "\/Shared",
"one-click-instance.link": "https:\/\/nextcloud.com\/all-in-one\/",
"upgrade.cli-upgrade-link": "https:\/\/github.com\/nextcloud\/all-in-one\/discussions\/2726",
"updatedirectory": "\/nc-updater",
"maintenance_window_start": 100,
"allow_local_remote_servers": true,
"davstorage.request_timeout": 3600,
"documentation_url.server_logs": "https:\/\/github.com\/nextcloud\/all-in-one\/discussions\/5425",
"htaccess.RewriteBase": "\/",
"dbpersistent": false,
"auth.bruteforce.protection.enabled": true,
"ratelimit.protection.enabled": true,
"files_external_allow_create_new_local": false,
"trusted_proxies": "***REMOVED SENSITIVE VALUE***",
"preview_imaginary_url": "***REMOVED SENSITIVE VALUE***",
"preview_imaginary_key": "***REMOVED SENSITIVE VALUE***",
"facerecognition.external_model_url": "nextcloud-aio-facerecognition:5000",
"facerecognition.external_model_api_key": "<redacted>",
"enabledFaceRecognitionMimetype": [
"image\/jpeg",
"image\/png",
"image\/heic",
"image\/tiff",
"image\/webp"
],
"memories.db.triggers.fcu": true,
"memories.exiftool": "\/var\/www\/html\/custom_apps\/memories\/bin-ext\/exiftool-amd64-musl",
"memories.vod.path": "\/var\/www\/html\/custom_apps\/memories\/bin-ext\/go-vod-amd64",
"memories.vod.ffmpeg": "\/usr\/bin\/ffmpeg",
"memories.vod.ffprobe": "\/usr\/bin\/ffprobe",
"memories.vod.external": true,
"memories.vod.connect": "nextcloud-aio-memories:47788",
"memories.exiftool_no_local": true,
"memories.gis_type": 2,
"onlyoffice": {
"editors_check_interval": 0,
"jwt_secret": "***REMOVED SENSITIVE VALUE***",
"jwt_header": "AuthorizationJwt"
},
"mail_sendmailmode": "smtp",
"mail_from_address": "***REMOVED SENSITIVE VALUE***",
"mail_domain": "***REMOVED SENSITIVE VALUE***",
"forbidden_filename_basenames": [
"con",
"prn",
"aux",
"nul",
"com0",
"com1",
"com2",
"com3",
"com4",
"com5",
"com6",
"com7",
"com8",
"com9",
"com\u00b9",
"com\u00b2",
"com\u00b3",
"lpt0",
"lpt1",
"lpt2",
"lpt3",
"lpt4",
"lpt5",
"lpt6",
"lpt7",
"lpt8",
"lpt9",
"lpt\u00b9",
"lpt\u00b2",
"lpt\u00b3"
],
"forbidden_filename_characters": [
"<",
">",
":",
"\"",
"|",
"?",
"*",
"\\",
"\/"
],
"forbidden_filename_extensions": [
" ",
".",
".filepart",
".part"
],
"ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
"updater.release.channel": "stable",
"serverid": 445,
"log_type_audit": "file",
"logfile_audit": "\/var\/www\/html\/data\/audit.log",
"app_install_overwrite": {
"0": "metadata",
"1": "maps",
"3": "facerecognition",
"4": "files_archive"
},
"update_channel": "stable",
"eurooffice": {
"editors_check_interval": 0,
"jwt_secret": "<redacted>",
"jwt_header": "AuthorizationJwt"
},
"mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
"mail_smtpname": "***REMOVED SENSITIVE VALUE***",
"mail_smtpsecure": "ssl",
"mail_smtphost": "***REMOVED SENSITIVE VALUE***",
"mail_smtpauth": true,
"mail_smtpport": "465",
"mail_smtpstreamoptions": {
"ssl": {
"allow_self_signed": false,
"verify_peer": true,
"verify_peer_name": true
}
},
"DOMAIN": "<redacted>",
"AIO_VERSION": "v13.2.1"
}
}
Apps
Enabled:
- activity: 7.0.0
- admin_audit: 1.24.0
- admincockpit: 1.3.1
- announcementbanner: 2.4.2
- announcementcenter: 7.4.1
- app_api: 34.0.0
- appointments: 2.7.4
- approval: 3.3.0
- appstore: 1.0.0
- assistant: 3.4.3
- bookmarks: 16.2.2
- brewmemo: 0.7.0
- bruteforcesettings: 7.0.0
- calendar: 6.5.0
- call_summary_bot: 3.4.0
- camerarawpreviews: 1.1.1
- checksum: 2.1.2
- circles: 34.0.0
- cloud_federation_api: 1.18.0
- codeinjector: 1.1.3
- command_bot: 1.2.0
- comments: 1.24.0
- contacts: 8.7.2
- contactsinteraction: 1.15.0
- context_chat: 5.4.0
- cookbook: 0.11.7
- countdown: 1.2.11
- csp_editor: 2.0.0
- dashboard: 7.14.0
- dav: 1.39.0
- deck: 1.18.2
- drawio: 4.2.4
- drop_account: 3.0.0
- eurooffice: 11.0.0
- external: 9.0.1
- federatedfilesharing: 1.24.0
- federation: 1.24.0
- files: 2.6.0
- files_accesscontrol: 5.0.0
- files_antivirus: 6.3.0
- files_archive: 1.2.8
- files_automatedtagging: 5.0.0
- files_downloadlimit: 5.2.0-dev.0
- files_external: 1.26.0
- files_lock: 34.0.0
- files_pdfviewer: 7.0.0-dev.0
- files_reminders: 1.7.0
- files_retention: 5.0.0
- files_scripts: 5.0.1
- files_sharing: 1.26.0
- files_trashbin: 1.24.0
- files_versions: 1.27.0
- files_vrmviewer: 1.0.0
- files_zip: 3.0.0
- firstrunwizard: 7.0.0-dev.0
- forms: 5.3.2
- groupfolders: 22.0.1
- htmlviewer: 34.0.0
- integration_giphy: 2.2.1
- integration_mastodon: 5.1.0
- integration_onedrive: 3.5.1
- integration_zimbra: 1.0.17
- jsloader: 2.1.0
- libresign: 14.0.1
- linkboard: 1.6.12
- logcleaner: 1.5.5
- login_notes: 1.8.1
- logreader: 7.0.0
- lookup_server_connector: 1.22.0
- mail: 5.10.3
- maps: 1.7.1
- markdownreadme: 1.0.2
- metadata: 0.24.0
- music: 3.1.0
- news: 28.6.0
- nextcloud-aio: 0.8.0
- nextcloud_announcements: 6.0.0
- notes: 6.0.1
- notifications: 7.0.0-dev.1
- notify_push: 1.3.3
- oauth2: 1.22.0
- office: 1.0.0
- pantry: 0.18.1
- password_policy: 6.0.0-dev.0
- passwords: 2026.6.10
- passwords_handbook: 2026.6.20
- permissions_overwrite: 0.1.17
- phonetrack: 1.2.0
- photos: 7.0.0
- polls: 9.1.4
- privacy: 6.0.0-dev.1
- profile: 1.3.0
- profile_fields: 4.0.0
- provisioning_api: 1.24.0
- qownnotesapi: 26.5.0
- quota_warning: 1.24.0
- recognize: 12.0.0
- recommendations: 7.0.0
- related_resources: 5.0.0-dev.0
- root_cache_cleaner: 0.1.11
- serverinfo: 6.0.0
- settings: 1.17.0
- sharebymail: 1.24.0
- spreed: 24.0.1
- support: 6.0.0
- survey_client: 6.0.0-dev.0
- suspicious_login: 12.0.0-dev.0
- systemtags: 1.24.0
- tables: 2.2.0
- talk_matterbridge: 1.34.1026000
- tasks: 0.18.0
- teamhub: 3.82.0
- text: 8.0.0
- theming: 2.9.0
- threedviewer: 3.3.0
- twofactor_backupcodes: 1.23.0
- twofactor_nextcloud_notification: 8.0.0
- twofactor_totp: 16.0.0
- twofactor_webauthn: 2.7.0
- updatenotification: 1.24.0
- uppush: 2.5.0
- user_ldap: 1.25.0
- user_oidc: 8.10.1
- user_status: 1.14.0
- user_usage_report: 5.0.0
- viewer: 7.0.0-dev.0
- weather_status: 1.14.0
- webhook_listeners: 1.6.0
- whiteboard: 1.5.9
- workflowengine: 2.16.0
Disabled:
- agenda_bot: 1.6.1 (installed 1.6.1)
- caniupdate: 0.2.0 (installed 0.2.0)
- collectives: 4.4.2 (installed 4.4.2)
- encryption: 2.22.0
- epubviewer: 1.9.2 (installed 1.9.2)
- externalportal: 2.1.0 (installed 2.1.0)
- facerecognition: 0.9.70
- files_bpm: 1.8.2 (installed 1.8.2)
- files_emailviewer: 0.1.6 (installed 0.1.6)
- fileslibreofficeedit: 2.0.1 (installed 2.0.1)
- gpxpod: 8.2.1 (installed 8.2.1)
- intros: 1.2.1 (installed 1.2.1)
- memories: 8.0.1 (installed 8.0.1)
- mydash: 1.0.10
- previewgenerator: 5.13.0 (installed 5.13.0)
- side_menu: 5.3.0 (installed 5.3.0)
- terms_of_service: 4.7.0 (installed 4.7.0)
- theming_customcss: 1.20.0 (installed 1.20.0)
- workflow_ocr: 1.34.0 (installed 1.34.0)