Thumbprint - Exchange 2007

Hello,

My Thumbprint has been expiring and decide to make new one. i was following the commands and now i have 1 old and 2 new ones.

My Question is:
How to know which of those 3 does exchange is using so i can delete other 2???

Services   : IMAP, POP, SMTP
Thumbprint : E80277AAEE820B3F897CED67594568110717FA09 - Expired

Services   : IMAP, POP, IIS, SMTP
Thumbprint : A67A377307B1615094F8BAB4AD2017DE40553A76

Services   : IMAP, POP, SMTP
Thumbprint : 38BF48BACC7D972FB3D110EB07A3FD906B50EE11
gdamirAsked:
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Shreedhar EtteCommented:
Post the out put of the Get-ExchangeCertificate | fl
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gdamirAuthor Commented:
AccessRules        : {System.Security.AccessControl.CryptoKeyAccessRule, System.Security.AccessControl.CryptoKeyAccessRule, System.Security.AccessCont
                     rol.CryptoKeyAccessRule, System.Security.AccessControl.CryptoKeyAccessRule}
CertificateDomains : {W8VIEEEEX01, W8VIEEEEX01.ee.win.int.kn}
HasPrivateKey      : True
IsSelfSigned       : True
Issuer             : CN=W8VIEEEEX01
NotAfter           : 4/12/2011 2:21:05 PM
NotBefore          : 4/12/2010 2:21:05 PM
PublicKeySize      : 2048
RootCAType         : None
SerialNumber       : 6EC11BBDA6226191401F89748A9B6C6E
Services           : IMAP, POP, SMTP
Status             : Valid
Subject            : CN=W8VIEEEEX01
Thumbprint         : E80277AAEE820B3F897CED67594568110717FA09

AccessRules        : {System.Security.AccessControl.CryptoKeyAccessRule, System.Security.AccessControl.CryptoKeyAccessRule, System.Security.AccessCont
                     rol.CryptoKeyAccessRule, System.Security.AccessControl.CryptoKeyAccessRule}
CertificateDomains : {W8VIEEEEX01, W8VIEEEEX01.ee.win.int.kn}
HasPrivateKey      : True
IsSelfSigned       : True
Issuer             : CN=W8VIEEEEX01
NotAfter           : 4/12/2011 1:56:37 PM
NotBefore          : 4/12/2010 1:56:37 PM
PublicKeySize      : 2048
RootCAType         : None
SerialNumber       : 69E47209F6B3BD864808D6B9A74D414D
Services           : IMAP, POP, IIS, SMTP
Status             : Valid
Subject            : CN=W8VIEEEEX01
Thumbprint         : A67A377307B1615094F8BAB4AD2017DE40553A76



[PS] C:\Windows\System32>

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Shreedhar EtteCommented:
Hi,

- Observed that the Expired certificate is not there in the output.

- The out put provide has the two certificates with the same CertificateDomains W8VIEEEEX01, W8VIEEEEX01.ee.win.int.kn.

- With same expire date.

- But the Thumbprint A67A377307B1615094F8BAB4AD2017DE40553A76 is applied on the all the required certificates.

- Hence remove the certificate with the thumbprint E80277AAEE820B3F897CED67594568110717FA09

Hope this helps,
Shree
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gdamirAuthor Commented:
I guess he is using actually that one:

[PS] C:\Windows\System32>Remove-ExchangeCertificate -Thumbprint E80277AAEE820B3F897CED67594568110717FA09
Remove-ExchangeCertificate : The internal transport certificate cannot be removed because that would cause the Microsoft Exchange Transport service to
 stop. To replace the internal transport certificate, create a new certificate. The new certificate will automatically become the internal transport c
ertificate. You can then remove the existing certificate.
Parameter name: Thumbprint
At line:1 char:27
+ Remove-ExchangeCertificate  <<<< -Thumbprint E80277AAEE820B3F897CED67594568110717FA09
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Shreedhar EtteCommented:
The error you are getting because this certificate has been created after the other one and been enabled it on SMTP. Due to which it has taken the Microsoft Exchange Transport service.

As the both certificate are having the same Certificate Domains. You can remove the other certificate.

But Enable the E80277AAEE820B3F897CED67594568110717FA09 for the IIS also.
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gdamirAuthor Commented:
I will do that...  i hope it will not crash live enviroment.
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