R
Roman
Hi there,
I've got a curious problem regarding client certificates. I'm using Windows
2003 Server Certificate Authority client certificates for a web application
to limit access to a web application. I've also created the client
certificates from the standard 'User' certificate template.
The problem I've got is that for a while all users could use the app fine
with these certificates in place, however over the past month or two only
some users report that they can't get into the web application and they get a
"Page Cannot Be Displayed" error message (client machines are Windows XP
tablet edition running IE 6 SP2). I've checked their machines and the
certificates are still there and haven't expired (nor have they been
revoked). If I remove the certificate then I get the expected "Page requires
a client certificate" error message. If I then create another client
certificate on the machine it then works fine, but after a random period of
time it stops working again. Every user is allocated their own certificate
and out of 20 users only the same 5 or 6 people seem to be having this issue.
I found this Microsoft Knowledgebase article and thought that this may help...
http://support.microsoft.com/kb/811383
However it says that the issue occurs on IE 6 SP1, plus I've also upgraded
some of these machines to IE 7 and its still happening.
I'm not really sure where to start looking for a solution so any suggestions
would be appreciated.
Thanks.
I've got a curious problem regarding client certificates. I'm using Windows
2003 Server Certificate Authority client certificates for a web application
to limit access to a web application. I've also created the client
certificates from the standard 'User' certificate template.
The problem I've got is that for a while all users could use the app fine
with these certificates in place, however over the past month or two only
some users report that they can't get into the web application and they get a
"Page Cannot Be Displayed" error message (client machines are Windows XP
tablet edition running IE 6 SP2). I've checked their machines and the
certificates are still there and haven't expired (nor have they been
revoked). If I remove the certificate then I get the expected "Page requires
a client certificate" error message. If I then create another client
certificate on the machine it then works fine, but after a random period of
time it stops working again. Every user is allocated their own certificate
and out of 20 users only the same 5 or 6 people seem to be having this issue.
I found this Microsoft Knowledgebase article and thought that this may help...
http://support.microsoft.com/kb/811383
However it says that the issue occurs on IE 6 SP1, plus I've also upgraded
some of these machines to IE 7 and its still happening.
I'm not really sure where to start looking for a solution so any suggestions
would be appreciated.
Thanks.