This article shows you how to install Xen Orchestra and use the interface via the web. XOA is a very powerful addition to XenServer as it brings auto-updates and making it easier to manage entire farms.
This guide goes over how to Create iSCSI SR on Xen to connect to an iSCSI target. Here is the step-by-step and a video walkthrough, which includes setting up iSCSI in FreeNAS.
This video goes through setting up a Virtual Machine in XenServer / XCP-ng in a lab environment. If you want to experiment with in detail with XenServer, I highly recommend you download XCP-ng from their official website.
This article describes how to reattach LVM or a local Storage repository on XenServer. The XenServer database has become corrupt or your XenServer does not see the local SR.
When re-attaching a SR on a fresh VM, I ran into this XenServer tapdisk error. I ran the following from XenServer console to eject all CD drives on that host. I was then able to start the VM with the old image.
Running the following commands will fix the XenCenter Error. You are typically encountering this error because Windows 10 requires stronger encryption, consequently, this is prevalent on older XenServer installations. I encountered this on XenServer 6.0.