[Bug 819577] Re: Unable to upgrade to version 11.04 from 10.10

[Launchpad Bug Tracker]

[Expired for update-manager (Ubuntu) because there has been no activity
for 60 days.]

** Changed in: update-manager (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/819577

Title:
  Unable to upgrade to version 11.04 from 10.10

Status in “update-manager” package in Ubuntu:
  Expired

Bug description:
  Below is the error received from the update manager when attempting to
  upgrade.

  W:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/natty/Release.gpg  Something wicked happened resolving 'us.archive.ubuntu.com:http' (-5 - No address associated with hostname)
  , W:Failed to fetch http://archive.canonical.com/ubuntu/dists/natty/Release.gpg  Something wicked happened resolving 'archive.canonical.com:http' (-5 - No address associated with hostname)
  , E:Some index files failed to download, they have been ignored, or old ones used instead.

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