Veeam – Unable to allocate processing resources. Error: On-host proxy [HOSTNAME] requires upgrade before it can be used.
As per Oz’s comment below –
1 – Restart the Veeam Backup Service
2 – Restart the Veeam Broker Service
3 – Trigger the backup
I think you will find this is also Veeams solution also…
1 – Restart the Veeam Backup Service
2 – Restart the Veeam Broker Service
3 – Trigger the backup
FIXED
I’ve read a lot of online articles , including official community posts and Reddit threads, but none of them worked. After going through all that trouble, your method turned out to be the simplest and most effective. Thank you so much.