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Mit einer neuen Version müssen auch die Templates aktualisiert werden. Im gleichen Zug kannst du dir also überlegen, ob du der Website gleich noch einen neuen Anstrich verleihen willst.\u003C\u002Fp>\u003Ch2>Backup erstellen\u003C\u002Fh2>\u003Cp>Bevor du weitere Schritte vornimmst ist es wichtig ein Backup deiner aktuellen Joomla-Installation zu erstellen. Unser Artikel \u003Ca href=\"https:\u002F\u002Fwww.cyon.ch\u002Fsupport\u002Fa\u002Fbackup-einer-website-erstellen\">«Backup einer Website erstellen»\u003C\u002Fa> hilft dir dabei.\u003C\u002Fp>\u003Cp>Nachdem du einen Backup erstellt hast, kannst du mit dem Prozess weiterfahren.\u003C\u002Fp>\u003Ch2>Bereinigung\u003C\u002Fh2>\u003Cp>Ganz wichtig ist vor der Migration die aktuelle Installation gut zu bereinigen, dies erspart dir schon viele Probleme.\u003C\u002Fp>\u003Cul>\u003Cli>Entferne gelöschte Artikel- und Menü-Einträge im Joomla-Backend\u003C\u002Fli>\u003Cli>Notiere dir alle Komponenten, Module und Plugins, die nicht vom Autor «Joomla Project» stammen\u003C\u002Fli>\u003Cli>Notiere die Namen der Templates, die in Gebrauch sind. Aktive Templates werden grau dargestellt\u003C\u002Fli>\u003Cli>Prüfe danach, ob die restlichen, noch verwendeten Komponenten, Module und Plugins mit der aktuellen Joomla-Version kompatibel sind. Auf \u003Ca href=\"http:\u002F\u002Fextensions.joomla.org\">extensions.joomla.org\u003C\u002Fa> hast du die Möglichkeit nach einer Extension zu suchen.\u003C\u002Fli>\u003C\u002Ful>\u003Ch2>Templates\u003C\u002Fh2>\u003Cp>Die Template-Struktur wurde in Version 1.6 umgestaltet. Templates der Version 1.5 sind somit ab Version 1.6 nicht mehr kompatibel und müssen angepasst werden.\u003C\u002Fp>\u003Cul>\u003Cli>Wenn du ein Template von der Joomla-Community oder einem kommerziellen Anbieter verwendest, dann besteht die Möglichkeit, dass dieses Template bereits für die Version 3.x erhältlich ist.\u003C\u002Fli>\u003Cli>Falls du das Template selber entwickelt hast, dann musst du das Template auf die neue Joomla-Version anpassen.\u003C\u002Fli>\u003C\u002Ful>\u003Ch2>Installation von Joomla 3\u003C\u002Fh2>\u003Cp>Erstelle nun eine neue Joomla-Installation in der aktuellsten Version.\u003C\u002Fp>\u003Cp>Beachte, dass diese in einem neuen Verzeichnis installiert werden muss und dazu auch eine neue Datenbank notwendig ist. Wir empfehlen dir eine Subdomain anzulegen und dort das Verzeichnis der neuen Joomla!-Installation zu definieren. Danach kann über \u003Ca href=\"https:\u002F\u002Fwww.cyon.ch\u002Fsupport\u002Fa\u002Fapps\">Apps\u003C\u002Fa> eine frische Joomla-Installation für die erstellte Subdomain eingerichtet werden.\u003C\u002Fp>\u003Ch2>Migration \u003C\u002Fh2>\u003Cp>Um nun deine Joomla-Installation zu migrieren, empfiehlt sich der Einsatz eines spezialisierten Tools wie beispielsweise \u003Ca href=\"http:\u002F\u002Fextensions.joomla.org\u002Fextensions\u002Fextension\u002Fmigration-a-conversion\u002Fjoomla-migration\u002Fjupgradepro\">jUpgradePRO\u003C\u002Fa>.\u003C\u002Fp>\u003Cp>Informiere dich in der Dokumentation des gewählten Tools, wie du nun von Joomla 1.5 auf die frisch installierte Joomla 3.x-Installation migrieren kannst.\u003C\u002Fp>","5b43771f0428630abc0bd975","[\"5cc8139b2c7d3a026fd42c4f\",\"5d80a2e12c7d3a7e9ae13bc8\",\"5c643baf042863543cccf022\",\"5d3ef5d80428634786758978\",\"5bf5211704286304a71c7987\"]","Das CMS Joomla in Version 1.5 erhält schon seit 2012 keine Updates mehr was diese Version äusserst unsicher macht. Joomla 1.5 benötigt zudem die veraltete PHP-Version 5.3, welche wir seit 2014 nicht mehr anbieten.In den letzen Jahren haben sich die…",false,[421,425,429,433,437],{"helpscoutSlug":422,"helpscoutName":423,"excerpt":424},"cms-zeigt-eine-weisse-seite","CMS zeigt eine weisse Seite","Wird dir beim Aufruf deiner Website eine weisse Seite angezeigt? Dann handelt es sich um einen generellen Server-Fehler, der meistens auf fehlerhaften Website-Code zurückzuführen ist. Wir haben mögliche Ursachen im Artikel «HTTP-Error 500 (Internal…",{"helpscoutSlug":426,"helpscoutName":427,"excerpt":428},"joomla-installieren","Joomla installieren","Joomla ist ein beliebtes CMS und kann über «Apps» im Handumdrehen installiert werden. Möchtest du die Installation jedoch lieber manuell vornehmen, so beschreiben wir das Vorgehen im Abschnitt «Manuelle Installation».Automatisierte Installation über…",{"helpscoutSlug":430,"helpscoutName":431,"excerpt":432},"fragen-zu-wordpress-joomla-co","Fragen zu WordPress, Joomla & Co.","Bei cyon sind wir spezialisiert auf Webhosting und Domains und die zugehörige Infrastruktur. Bei Fragen zu einem Webshop oder CMS (Content-Management-System), wie zum Beispiel WordPress oder Joomla, können wir nur eingeschränkt weiterhelfen. Für…",{"helpscoutSlug":434,"helpscoutName":435,"excerpt":436},"backup-einer-website-erstellen","Backup einer Website erstellen","Es empfiehlt sich, regelmässig Backups von einer Website zu erstellen. Vor allem bevor man Änderungen vornimmt wie zum Beispiel Updates. Es gibt verschiedene Methoden, wie man die Daten einer Website sichern kann.Automatische Backups für dein CMS…",{"helpscoutSlug":438,"helpscoutName":439,"excerpt":440},"ftp-verbindung-herstellen","FTP-Verbindung herstellen","Wenn du Daten auf dein Webhosting hoch- oder herunterladen möchtest, so empfehlen wir dir ein FTP-Programm zu verwenden. Diese Anleitung beschreibt, welche Daten du dazu benötigst und wo du diese findest.Alternativ können die Daten auch über unseren…",[442],{"helpscoutSlug":443,"helpscoutName":444},"312website-cms","312_website: CMS",[446,480,514],{"id":447,"uri":448,"slug":449,"title":450,"enabled":105,"typeHandle":451,"sectionHandle":452,"__typename":453,"color":454,"textRich":455,"buttonSimple":456,"singleImage":467},"868","component-preview\u002Fe-mail-programm-konfigurieren","e-mail-programm-konfigurieren","E-Mail-Programm konfigurieren","ctaServices","callToActions","ctaServices_Entry","butterfly","\u003Cp>\u003Cstrong>Unser E-Mail-Zauberer führt dich durch den Einrichtungsprozess: \u003C\u002Fstrong>Verwalte deine E-Mail-Konten ganz bequem über das E-Mail-Programm deiner Wahl. Mit unserem Einrichtungsassistenten gelingt dir dies ganz einfach.\u003C\u002Fp>",{"label":457,"linkField":458},"E-Mail-Zauberer starten",{"__typename":98,"type":99,"label":12,"link":459,"url":460,"urlSuffix":12,"entry":461},"\u003Ca href=\"http:\u002F\u002Flocalhost:3000\u002Fsupport\u002Fmailwizard\">E-Mail Zauberer\u003C\u002Fa>","http:\u002F\u002Flocalhost:3000\u002Fsupport\u002Fmailwizard",{"id":462,"uri":463,"slug":464,"title":263,"enabled":105,"typeHandle":465,"sectionHandle":465,"__typename":466},"5940","support\u002Fmailwizard","mailwizard","mailWizard","mailWizard_Entry",[468],{"id":469,"url":470,"mediumUrl":471,"smallUrl":472,"originalUrl":473,"width":474,"height":475,"title":476,"alt":12,"kind":477,"extension":478,"caption":12,"nameTags":479},"869","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FServices\u002F_default\u002F869\u002FBildschirmfoto-2026-01-18-um-15.30.17.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FServices\u002F_medium\u002F869\u002FBildschirmfoto-2026-01-18-um-15.30.17.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FServices\u002F_small\u002F869\u002FBildschirmfoto-2026-01-18-um-15.30.17.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FServices\u002FBildschirmfoto-2026-01-18-um-15.30.17.png",1128,1124,"Bildschirmfoto 2026 01 18 um 15 30 17","image","png",[],{"id":481,"uri":482,"slug":483,"title":484,"enabled":105,"typeHandle":451,"sectionHandle":452,"__typename":453,"color":454,"textRich":485,"buttonSimple":486,"singleImage":490},"942","component-preview\u002Fwir-migrieren-dein-projekt-kostenlos","wir-migrieren-dein-projekt-kostenlos","Stressfrei Website & E-Mail umziehen lassen","\u003Cp>Unser Umzugsteam begleitet dich beim Wechsel zu cyon – Schritt für Schritt.\u003C\u002Fp>",{"label":487,"linkField":488},"Jetzt ohne Doppelkosten wechseln",{"__typename":98,"type":99,"label":12,"link":209,"url":210,"urlSuffix":12,"entry":489},{"id":212,"uri":110,"slug":213,"title":109,"enabled":105,"typeHandle":106,"sectionHandle":107,"__typename":89},[491],{"id":492,"url":493,"mediumUrl":494,"smallUrl":495,"originalUrl":496,"width":497,"height":497,"title":498,"alt":17,"kind":477,"extension":478,"caption":12,"nameTags":499},"776","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_default\u002F776\u002Fcommon-cta.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_medium\u002F776\u002Fcommon-cta.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_small\u002F776\u002Fcommon-cta.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002Fcommon-cta.png",393,"Common cta",[500,508],{"id":501,"title":502,"fullName":502,"role":503,"desktopX":504,"desktopY":505,"mobileX":506,"mobileY":507},"1925","Scharon","Customer Support",30,65,10,70,{"id":509,"title":510,"fullName":510,"role":503,"desktopX":511,"desktopY":512,"mobileX":513,"mobileY":513},"1926","Gabriel",67,60,50,{"id":515,"uri":516,"slug":517,"title":518,"enabled":105,"typeHandle":519,"sectionHandle":452,"__typename":520,"color":73,"textRich":521,"buttonSimple":522},"876","component-preview\u002Fimmer-auf-dem-laufenden-bleiben","immer-auf-dem-laufenden-bleiben","Immer auf dem Laufenden bleiben","ctaTextOnly","ctaTextOnly_Entry","\u003Cp>Tipps, Tools & Insights für deine Webprojekte.\u003C\u002Fp>",{"label":523,"linkField":524},"Jetzt Newsletter abonnieren",{"__typename":98,"type":116,"label":12,"link":525,"url":526,"urlSuffix":12,"entry":12},"\u003Ca href=\"https:\u002F\u002Fmailchi.mp\u002Fcyon\u002Fcyon-newsletter\">mailchi.mp\u002Fcyon\u002Fcyon-newsletter\u003C\u002Fa>","https:\u002F\u002Fmailchi.mp\u002Fcyon\u002Fcyon-newsletter",[528,627],{"id":529,"uri":530,"slug":531,"title":532,"enabled":105,"typeHandle":533,"sectionHandle":534,"__typename":535,"sectionHeader":536,"supportContactMethods":542},"4433","component-preview\u002Fkontakt","kontakt","Du brauchst persönliche Unterstützung?","supportContactSection","globalComponents","supportContactSection_Entry",{"iconSelect":537,"sectionLabel":255,"align":538,"color":539,"subtitle":540,"description":12,"backgroundImage":541},"headset","center","orange","Wähle den für dich passenden Kanal",[],[543,575,597],{"__typename":544,"title":545,"buttonIcon":546,"buttonDescription":547,"contentType":546,"contentTitle":548,"contentDescription":549,"contentButton":550,"image":556},"supportContactMethodStandard_Entry","E-Mail","mail","Verfügbar bis 17 Uhr","Persönliche Hilfe via E-Mail","\u003Cp>Verfügbar von Montag bis Freitag von 09:00 bis 17:00 Uhr. Wir beantworten deine E-Mails innert maximal 24 Stunden - und meist viel schneller.\u003C\u002Fp>",{"label":551,"linkField":552},"mail@cyon.ch",{"__typename":98,"type":553,"label":12,"link":554,"url":555,"urlSuffix":12,"entry":12},"email","\u003Ca href=\"mailto:mail@cyon.ch\">mail@cyon.ch\u003C\u002Fa>","mailto:mail@cyon.ch",[557],{"id":558,"url":559,"mediumUrl":560,"smallUrl":561,"originalUrl":562,"width":563,"height":564,"title":565,"alt":17,"kind":477,"extension":478,"caption":12,"nameTags":566},"742","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_default\u002F742\u002Fcommon-support.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_medium\u002F742\u002Fcommon-support.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_small\u002F742\u002Fcommon-support.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002Fcommon-support.png",840,558,"Common support",[567,573],{"id":568,"title":502,"fullName":502,"role":569,"desktopX":570,"desktopY":571,"mobileX":572,"mobileY":512},"1585","Customer Care Specialist",25,55,8,{"id":574,"title":510,"fullName":510,"role":569,"desktopX":511,"desktopY":512,"mobileX":513,"mobileY":513},"1586",{"__typename":544,"title":576,"buttonIcon":577,"buttonDescription":547,"contentType":577,"contentTitle":578,"contentDescription":579,"contentButton":580,"image":586},"Anruf","phone","Persönlicher Telefon-Support","\u003Cp>Rufe uns unter +41 61 588 15 15 an. Unsere Expertinnen und Experten helfen dir persönlich & direkt weiter. Verfügbar von 09:00 bis 12:00 Uhr und von 13:30 bis 17:00 Uhr.\u003C\u002Fp>",{"label":581,"linkField":582},"+41 61 588 15 15",{"__typename":98,"type":583,"label":12,"link":584,"url":585,"urlSuffix":12,"entry":12},"tel","\u003Ca href=\"tel:+41-61-588-15-15\">+41 61 588 15 15\u003C\u002Fa>","tel:+41-61-588-15-15",[587],{"id":588,"url":589,"mediumUrl":590,"smallUrl":591,"originalUrl":592,"width":593,"height":594,"title":595,"alt":12,"kind":477,"extension":478,"caption":12,"nameTags":596},"881","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_default\u002F881\u002FBildschirmfoto-2026-01-18-um-16.21.14.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_medium\u002F881\u002FBildschirmfoto-2026-01-18-um-16.21.14.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_small\u002F881\u002FBildschirmfoto-2026-01-18-um-16.21.14.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002FBildschirmfoto-2026-01-18-um-16.21.14.png",906,918,"Bildschirmfoto 2026 01 18 um 16 21 14",[],{"__typename":598,"title":599,"buttonIcon":600,"buttonDescription":547,"emergencyFacts":601,"emergencyButton":617,"emergencyFaqEntries":622},"supportContactMethodEmergency_Entry","Notfall-Service","flame",[602,605,608,611,614],{"title":603,"description":604},"Verfügbarkeit","\u003Cp>365 Tage im Jahr, 24 Stunden am Tag\u003C\u002Fp>",{"title":606,"description":607},"Garantierte Reaktionszeit","\u003Cp>60 Minuten\u003C\u002Fp>",{"title":609,"description":610},"Kosten (inkl. erste 30 Minuten)","\u003Cp>CHF 250.00\u003C\u002Fp>",{"title":612,"description":613},"Je weitere angefangene 30 Minute","\u003Cp>CHF 100.00\u003C\u002Fp>",{"title":615,"description":616},"Alarmierung","\u003Cp>Via my.cyon\u003C\u002Fp>",{"label":618,"linkField":619},"Jetzt Notfall-Auftrag auslösen",{"__typename":98,"type":116,"label":12,"link":620,"url":621,"urlSuffix":12,"entry":12},"\u003Ca href=\"https:\u002F\u002Fmy.cyon.ch\u002Fsupport\u002Findex\u002Femergency\">my.cyon.ch\u002Fsupport\u002Findex\u002Femergency\u003C\u002Fa>","https:\u002F\u002Fmy.cyon.ch\u002Fsupport\u002Findex\u002Femergency",[623,626],{"title":624,"textRich":625},"Was ist der Notfall Service?","\u003Cp>Der Notfall Service bietet dir rund um die Uhr Unterstützung bei dringenden technischen Problemen mit deinen Diensten.\u003C\u002Fp>",{"title":624,"textRich":625},{"id":628,"uri":629,"slug":630,"title":631,"enabled":105,"typeHandle":632,"sectionHandle":534,"__typename":633,"sectionHeader":634,"leftBlock":638,"rightBlock":639},"4547","component-preview\u002Fstatusmeldungen","statusmeldungen","Statusmeldungen","statusMessagesSection","statusMessagesSection_Entry",{"iconSelect":635,"sectionLabel":631,"align":538,"color":166,"subtitle":636,"description":12,"backgroundImage":637},"trending-up","Übersicht über unsere Systeme",[],"\u003Ch3>Statusmeldungen\u003C\u002Fh3>\u003Cul>\u003Cli>Unser Systemstatus ist aktuell stabil.\u003C\u002Fli>\u003Cli>Geplante Wartungsarbeiten am 15. Juli 2024 von 02:00 bis 04:00 Uhr.\u003C\u002Fli>\u003Cli>Es gibt derzeit keine bekannten Störungen.\u003C\u002Fli>\u003C\u002Ful>","\u003Ch3>\u003Cstrong>Wichtige Hinweise\u003C\u002Fstrong>\u003C\u002Fh3>\u003Cul>\u003Cli>Bitte überprüfe regelmässig unseren Status-Feed für aktuelle Informationen.\u003C\u002Fli>\u003Cli>Bei dringenden Problemen kontaktiere unseren Support.\u003C\u002Fli>\u003C\u002Ful>"]