Omnivista upgrade

Hi,
I try too upgrade my VM Omnivista 2500 ( 4.8R1 ) has I did befor, with the cli, but looks like it’s not working anymore : Please check the connectivity or your repository configuration.
I have “ALE Central Repo” enabled.
My VM can access outside.

Thanks for any help

Hello,
I updated to 4.8R1 a few days ago.
I had no problems downloading the 4.8R1 version.
Hope you have had luck since you uploaded this post.