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Azure Pipelines - Nuget - Unable to get local issuer certificate

For an unknown reason some of our builds started to fail suddenly. A look at the build log, showed us the following error message:

##[error]Error: unable to get local issuer certificate

An error message we had seen before…

The error occurred only on one of our build agents when trying to download a newer nuget version as currently available.


We couldn’t find a good solution but as a workaround we manually downloaded the latest nuget version and copied it to the tools folder at:

<agent directory>\_work\_tool\NuGet

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