My Cretificate has Been Expired Today ...

Posted on 2011-04-24
Last Modified: 2013-11-16
Hi Dears ,

i have Exchange server 2007 and ISA 2006 . Today My Certificate for CAS Server has been expired and i renew a Certificate for my Exchange .

now when i open OWA from web browser i saw error :  Error Code: 500 Internal Server Error. The certificate chain was issued by an authority that is not trusted. (-2146893019)

in My outlook i saw this Error :
i think i must add Certificate on ISA Or etc , Can help me how fix it ?

Thanks .

Question by:KherKhere
    LVL 51

    Accepted Solution

    You are correct. Export the new certificate from the Exchange gui and include the private key.
    On the ISA box import this file and key to the computer account personal store via the certificates mmc.
    Edit the https publishing rule(s) and select the new certificate.

    It is cleaner to stop and start the ISA Services when complete.

    Author Comment

    Ok , i Take Export file on certificate.pfx  Now can tell to me how can i import it on ISA ?

    Thanks ....

    Author Comment

    Thanks Keith

    Can Explain to me about  : "Edit the https publishing rule(s) and select the new certificate."  ??

    LVL 51

    Expert Comment

    by:Keith Alabaster
    You don't import it on ISa, you import it through the operating system of the ISA Server using the certificates mmc.
    When prompted, you select the computer account and import into the personal store - same as you would have done when you installed the original certificate.

    This is basic ISA administration - right-click the existing listener and change the selected certificate from the expired to the new.

    Apply the policy and job done.
    LVL 8

    Expert Comment

    hi Kher

    in the below blog i have explained how to open mmc and select certificate

    once u have completed that just right click and you get a option > all tasks > import

    follow the GI and you will be able to import cert

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