Could not connect to nuget feed

Hello!

We are using Team City with two build agents. We use nuspec file for dependencies. We often face error while restoring nuget dependencies. It states " Could not connect to the feed specified at 'http://MYBUILDSERVER.com/httpAuth/app/nuget/v1/FeedService.svc/' ... ". I think it could possibly be due to feed occupied by other build agent. If that is the case, can anyone suggest workaround on that? Or what else could be possible reason?

In case of failed build, we just trigger build again and it goes through. Any suggestion to solve this issue?

Thanks in advance.

/Anas