Certificate Issues for NPCAP installer

Applicable to Windows 2012 , Windows 2012 R2, Windows 8, Windows 8.1

NPCAP version: 1.55

NPCAP Signing Certificate:

Leaf Certificate: Insecure.Com LLC
Intermediate Certificate: DigiCert EV Code Signing CA (SHA2)
Root Certificate: DigiCert High Assurance EV Root CA

NPCAP Timestamp certificate:

Leaf Certificate: DigiCert Timestamp 2021
Intermediate Certificate: DigiCert SHA2 Assured ID Timestamping CA
Root Certificate: DigiCert Assured ID Root CA

Issue 1

Windows Agent Installation might fail with below error in msi_installer.log

CheckServiceStatus : Exception System.InvalidOperationException: Service npcap was not found on computer 
‘.’. —> System.ComponentModel.Win32Exception: The specified service does not exist as an installed service

Resolution

Run the command certmgr from command prompt
Check “DigiCert High Assurance EV Root CA” in “Trusted Root Certification Authority” store.
If it the certificate is missing, import it from other machine.

To import the certificate, follow below steps:

First export the certificate “DigiCert High Assurance EV Root CA” from one of Working server. Follow below steps:

Run the command certmgr from command prompt
Right click on the certificate “DigiCert High Assurance EV Root CA” under “Trusted Root Certification Authorities” and go to All tasksExport.
Copy the exported certificate to the Non-working server and then import the certificate.

To import the certificate, follow below steps:

Run the command certmgr from command prompt
Right click on the certificates tab under Trusted Root Certification Authorities and go to All tasksImport.
Select the Root certificate that you copied and add it in the store.

Applicable to Windows 2008 R2

NPCAP version: 0.991

NPCAP Signing Certificate:

Leaf Certificate: Insecure.Com LLC
Intermediate Certificate: DigiCert EV Code Signing CA
Root Certificate: DigiCert High Assurance EV Root CA

NPCAP Timestamp certificate:

Leaf Certificate: DigiCert Timestamp Responder
Intermediate Certificate: DigiCert Assured ID CA-1
Root Certificate: VeriSign DigiCert Assured ID Root CA

Issue 1

Windows Agent Installation might fail with below error in msi_installer.log

CheckServiceStatus : Exception System.InvalidOperationException: Service npcap was not found on
computer ‘.’. —> System.ComponentModel.Win32Exception: The specified service does not exist as an
installed service

Resolution

Run the command certmgr from command prompt
Check DigiCert High Assurance EV Root CA in Trusted Root Certification Authority store.
If it the certificate is missing, import it from other machine.

To import the certificate, follow below steps:

First export the certificate “DigiCert High Assurance EV Root CA” from one of Working server. Follow below steps:

Run the command certmgr from command prompt
Right click on the certificate “DigiCert High Assurance EV Root CA” under “Trusted Root Certification Authorities” and go to All tasksExport.
Copy the exported certificate to the Non-working server and then import the certificate.

To import the certificate, follow below steps:

Run the command certmgr from command prompt
Right click on the certificates tab under Trusted Root Certification Authorities and go to All tasksImport.
Select the Root certificate that you copied and add it in the store.

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