up2date command fails with [('SSL routines', 'SSL3_GET_SERVER_CERTIFICATE', 'certificate verify failed')] error

Solution Verified - Updated -


  • Receive the following SSL error when running up2date:
There was an SSL error: [('SSL routines', 'SSL3_GET_SERVER_CERTIFICATE', 'certificate verify failed')]                                                                            
A common cause of this error is the system time being incorrect. Verify that the time on this system is correct. 


  • Red Hat Enterprise Linux(RHEL)4
  • Red Hat Network(RHN)

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content