Knowledge Base

XCLN: Err Msg: Unable to Obtain a Valid...Revocation List

Article ID: 146464

Article Last Modified on 10/28/2006


APPLIES TO


This article was previously published under Q146464

SYMPTOMS

You may get the following error when you try to encrypt and/or sign messages:
Unable to obtain a valid certificate revocation list. Digital signatures cannot be trusted at this time.

CAUSE

The Key Management (KM) Server can not write the certification revocation list to the directory. This happens when the KM Server service account is not set correctly.

RESOLUTION

Make sure the service account for the KM Server is the Microsoft Exchange service account.

Keywords: kbenv KB146464