Source:  ZENworks for Servers; Policy and Distribution Services; Tiered Electronic Distribution; Subscriber Agent

Explanation:  A signature exception indicates a security problem.

Possible Cause:  The end node Subscriber does not have a valid certificate from the Distributor of the Distribution that it has just received.

Action:  Send a certificate from the Distributor to the Subscriber. See Creating Security Certificates in Policy and Distribution Services in the Administration guide.

Possible Cause:  The Distribution has been tampered with during the distribution process.

Action:  Resend the Distribution. See Forcing a Single Distribution To Be Sent in Policy and Distribution Services in the Administration guide.