Hi @Absa Thiam
As John stated, server licenses are not anymore in sale. You could however choose to move to Jira Data Center, if you can afford it and if your company's size justify this transition. An Atlassian solution expert would come in handy to provide you with advice as well as Atlassian's support.
Il y a un guide général ici:
Plus détaillé ici :
Il existe également d'anciens fils de discussion de la communauté ici :