We have problems with digital certificates from Thawte (Personal Freemail Digital IDs) in combination with Outlook Web Access:
Because the Thawte certificates don't have a CRL Distribution Point (CDP) defined on each certificate (only at the intermediate issuing CA), users get the error message, that the certificates cannot be verified. This is only a problem with Outlook Web Access. With the full Outlook client there is no problem at all.
Does anybody have a solution/workaround for that issue?