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The Certificate WebUI page provides a path to verify the validation of the SBA certificates on the SBC 1000/2000.

Verify a certificate's validation as follows:

1. In the WebUI, click the Tasks tab.
2. In the left navigation pane, under Skype™ for Business Survivable Branch, click SBA Certificate.

3. Click the Certificate tab.
   From the certificate, you can verify the Certificate type, along with the dates the certificate is valid. See details below.
   
   Verify Certificate

   

   
   

   View Certificate

   Field	Definition
   Subject Name	Display the subject name covered by this certificate.
   Common Name	Displays the common name for the certificate.
   Subject Alternative Name	Displays all the relevant subject name fields on the certificate.
   Issuer Name	Displays all the relevant issuer name fields on the certificate.
   Not Valid Before	Indicates the date and time from which this certificate is considered valid.
   Not Valid After	Indicates the certificate expiration date.
   Serial Number	Identifies the certificate with a unique text string.
   Private Key Length	Displays the key size used when generating the key pair.
   Signature Algorithm	Displays the security algorithm used to create the certificate signature.
   Version	Version number for the certificate.
   Certificate Chain	Displays the status of the certificate validation and verification against the trusted CA.
   Enhanced Key Usage	Displays the enhanced key usage for defining the purposes for which the subject's public key may be used. TLS Web Server Authentication usage purpose is required in order to be compatible with some browsers.
   Key Usage	Displays the key usage for defining the purposes of the key contained in the certificate. Non Repudiation service purpose is disallowed in order to be compatible with some browsers