How create a new certificate by using the New-ExchangeCertificate task.

Posted on 2014-12-15
Medium Priority
Last Modified: 2014-12-17
When users open Outlook they get a “Microsoft Outlook” dialog box pop up.
Allow this website to configure (users email address) server settings

Your account was redirected to this website for settings
You should only allow settings from sources you know and trust

Allow or Cancel
Another dialog box pops up called “Security Alert”
The Security certificate has expired or is not yet valid

The server is reporting:
There is no valid SMTP Transport Layer Security (TLS) certificate for the FQDN of remote.nardonepridgeon.com. The existing certificate for that FQDN has expired. The continued use of that FQDN will cause mail flow problems. A new certificate that contains the FQDN of remote.nardonepridgeon.com should be installed on this server as soon as possible. You can create a new certificate by using the New-ExchangeCertificate task.

When I try to create a new certificate using the "Exchange Management Shell", I get constant "Access Denied"
Basically I must be doing something wrong. Any help would be appreciated
Question by:agieryic
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LVL 22

Accepted Solution

David Atkin earned 2000 total points
ID: 40500812

Are you trying to use a self signed or trusted certificate?

If you have SBS 2008, open the SBS Console> Network Tab> Connectivity sub tab

Run the Fix My Network Wizard on the right hand side.  This should repair the certificate error for you.

Author Comment

ID: 40500813
I found this article on EE but it was blank
ID: 27205026  

tried following this article but was not able to resolve the issue

Author Comment

ID: 40500915
Yes,  I am trying to renew the certificate that was created in SBS2008
I did see where the certificate did expire on 12/13/2014 - 2 days ago
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Author Comment

ID: 40500922
I did run the "Fix My Network" and it saw that the certificate had expired. It said that it renewed. Do I need to restart the Exchange services - or at least the "Transport" service.

Author Comment

ID: 40500952
I opened a users Outlook and it came up with no certificate errors. I had no idea how easy the fix was you provided.
Everything I read dealt with Shell Commands - which kept coming back with "Access Denied" errors

I probably did not need to do so, but I restarted the server just to make sure all is clean

Is there a way to renew the certificate before it expires? I have 2 more SBS2008 servers
I am looking into getting a 3rd party certificate.
LVL 22

Expert Comment

by:David Atkin
ID: 40502072

No need to restart any of the exchange services - The fix my network should be the only thing needed for local users.  If you have some remote users you may have to install the certificate manually on them though.

You can replace a self signed certificate with a Trusted 3rd party certificate at any time, just re-run the 'Add a Trusted Certificate Wizard'. There isn't much point in renewing a self signed certificate until it has expired really.  Just make a note on your calendar to do this.

Author Comment

ID: 40504642
Much appreciated

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