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Home > Success Center > Archive > 2017December13 - Deletes > Applying Wildcard SSL certificates on Serv-U

Applying Wildcard SSL certificates on Serv-U

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I cannot get my Organizations Wildcard SSL Certificate to work in Serv-U.


To resolve the issue, follow the steps in this section.

Serv-U can use a wildcard cert that's already been generated, however it will not allow for the creation of a wildcard certificate request or self-signed certificate.  If you want to create a request for a wildcard cert, you would need to use another tool.

Some Certificate Authorities issue certificates that bind the certificate and private key into one file. In order to use this certificate in Serv-U, the certificate and private key must be extracted into separate files and then used, via the directions below:

Open the IIS certificate manager.

Export the certificate to a PFX file (make sure strong encryption is not selected when exporting).

Here is that explained…

Install OpenSSL on your server (from


In the Windows command-line, navigate to the directory where OpenSSL has been installed:

Run the following commands:

openssl pkcs12 -in .pfx -clcerts -nokeys -out .crt

openssl pkcs12 -in .pfx -nocerts -out .key

Using the .crt and .key files generated above, install the certificate into Serv-U.

This article is not SolarWinds but is a good reference and clearly explained.

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