Created a new pair of DMA's and added to a cluster.
Using Cube directly connected to online node of the pair
Set backup location to be a network drive and provided credentials
Results in the online node fails for incorrect credentials but the offline node backs up without and issue.
Confused to how one can backup but not the other as the details are set in cube against the agent.
Richard, I'm assuming that by "pair" you're referring to a DMA in 1+1 failover config (1 VIP shared between main & stby agent).
If so, the host name of the machines will be different - could this come into play for the credentials that are set?
I'd try what happens when the online agent is set in stand-by - if the situation of the back-up is unchanged, perhaps trying to access the network path from the related agent can give some more info.