When trying NuGet restore sometimes we get this Warning Message followed by Unable to find version,
cmd>NuGet restore My.sln -NoCache
WARNING: Unable to connect to the remote server
WARNING: Unable to connect to the remote server
Unable to find version '2.0.3930.0' of package 'DocumentFormat.OpenXml'.
Unable to find version '4.157.1212.0' of package 'Sybase.AdoNet4.AseClient'.
The above packages are available in the repository. This is an intermittent issue & can't be reproduce on demand.
The nexus repository is up and running. No issues found in the nexus logs.