Searching for the Citrix XenServer 7.2 ISO can be tricky because this version is no longer the "current" release and has moved into legacy status. Citrix typically limits legacy downloads to customers with active support contracts. Direct Download & Official Source The official way to download XenServer is through the Citrix Downloads Portal For Licensed Customers
Where to Find the Citrix XenServer 7.2 ISO (Legacy Release) citrix xenserver 7.2 iso download
Citrix moved older releases to their legacy download archive. You need a free Citrix account. Searching for the Citrix XenServer 7
Running XenServer 7.2 today exposes you to (including critical CVEs). Do not use it in production or on internet-connected networks. You need a free Citrix account
Do not download from torrent sites or random file lockers (e.g., mediafire.com or uploaded.net ). These are frequently packed with ransomware.