Just for update, we have proven that a 2019 cluster works fine, only issue with Win 2022 cluster.  Issue to be raised with Microsoft.

Thanks for your reply,

It turns out that this issue is to do with the cluster service.  If the cluster service is stopped then the restores work, if it's turned back...

Just for update, there were multiple jobs owned by a Report Server process with a category_id of 100 but there wasn't a row in syscategories with an id of 100...

OK, thanks for the tip, I'll give it a go.

I can connect to a different server from ssms on the first server and alerts can be edited and created through the GUI successfully which seems to rule out SSMS...

Not sure to be honest, it may just be messed up if you re-installed RTM without removing SQL first and doing a clean install.  If you can, it may be...

I think if you re-installed SQL you then you would be back to RTM, you would also need to re-install the CU after.

OK, thanks for the info, we'll give it a try.

Hi, thanks for the update and link, which KB in CU17 fixes this issue?  I can't see anything that seems relevant?