SSL certificate server name is incorrect - Q324345 did not help

Posted on 2006-05-24
Last Modified: 2012-05-05
Here's our environment:
Exchange 2003 on Windows Server 2003
Outlook clients connect via RPC over HTTPS - no problems
OWA enabled - no problems
server's internal name = exchange.bapsg.local
server's external hostname =

When trying to create our first Public Folder, in ESM, after clicking on Folders > Public Folders, we get this error and can't continue:

The SSL certificate server name is incorrect.
ID no: c103b404
Exchange System Manager

In Event Viewer > System, this error is logged:

Event ID: 36884
Source: Schannel
Type: Error
The certificate received from the remote server does not contain the expected name. It is therefore not possible to determine whether we are connecting to the correct server. The server name we were expecting is EXCHANGE.bapsg.local. The SSL connection request has failed. The attached data contains the server certificate.

Q324345 had been reported as the solution in at least 1 other similar question on EE but the instructions for resolution did not help.

Specifically, in the Exadmin virtual root in IIS, for Directory Security > Secure Communications, "Require secure channel (SSL) check box" was already cleared. Several times I also tried ticking that option, closing, reopening, and then clearing it again but that did not help.

I also understand that in order for RPC over HTTPS to work (which currently does work well), the name in the certificate must match my server's external Internet hostname,, which it does now. When I view the certificate under Directory Security > Secure Communications, it states this:

Issued to:
Issued by: BAP SG ROOT CA
Certificate status: This certificate is OK.

So there is apparently a conflict in what RPC over HTTPS expects as the server name in the certificate and what ESM espects when creating any Public Folder.

I also tried enabling and disabling SSL on the Esadmin virtual directory (3 or 4 times) and rebooting and that did not help either.

Any solutions?

Thanks in advance for any feedback.

Question by:derektom-hk

    Author Comment

    Ah, I found the answer that wroked here:

    Sorry, I just became a member today and this was my first question...

    Can I just close this question or should I just delete it? I figure the description might be helpful for others...


    Author Comment

    Much thanks for your reply, Simon. Will keep that in mind.


    Accepted Solution

    Because you have presented a solution to your own problem which may be helpful to future searches, this question is now PAQed and your points have been refunded.


    Author Comment


    Sounds good. Much thanks.


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