subscription-manager register shows server url has an invalid scheme.

Solution Verified - Updated -

Environment

  • Red Hat Enterprise Linux(RHEL) 5.7 and newer
  • Red Hat Enterprise Linux(RHEL) 6.1 and newer
  • Red Hat Enterprise Linux(RHEL) 7.0 and newer

Issue

  • subscription-manager register shows "Server URL has an invalid scheme. http:// and https:// are supported".

Resolution

Unset the wrong entry of "http://" in the environment for proxy using unset command.

 # unset http_proxy

Root Cause

Wrong entry of "http://" in the environment for proxy.

# http_proxy=http:/abc.domain.com:1234

The correct entry should be like below.

# http_proxy=http://abc.domain.com:1234

Diagnostic Steps

Check for any wrong proxy entries in the environment using env command.

# env | grep -i proxy

Also check for any proxy shell script in /etc/profile.d/

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