Unable to obtain initial credentials

When you run the am_kinit command, we might receive an error message that states the following primary reason:

Unable to obtain initial credentials.

The most common causes the initial credentials cannot be obtained are the following reasons:

• Cannot resolve the network address of the key distribution center (KDC)
• Cannot contact the KDC
• Clocks are not synchronized
• Pre-authentication failure
• Client not found in authentication database, or client that is locked out

• Cannot resolve address of key distribution center
  
• Cannot contact the key distribution center
  
• Clocks are not synchronized
  
• Pre-authentication failure
  
• Client not found or locked out
  

Parent topic: Kerberos initialization failing