by Theresa Miller

So, it was finally time to rollout SHA2 certificates for your Citrix environment.  After doing so, you test your applications by launching your favorite Citrix XenApp Application.  To your surprise, the application will not open and returns an SSL Error 61.  Now what, what can be done to fix this issue?

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Check your Trust Root or Intermediate Certificate

One of the likely causes is that the PC you are working on is missing it’s Trusted Root or Intermediate Certificate.  Your certificate provider can let you know which certificate type they use.  How do we make sure these are in place? This can be done manually per PC as shown in the example below, or automated per the following Microsoft article (https://technet.microsoft.com/en-us/library/cc754841.aspx).  Here are the steps to update an individual PC using a Digicert root certificate.  Note that these steps would be similar for most certificate providers.

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1) Open Internet Explorer go to https://www.digicert.com/digicert-root-certificates.htm

2) Download the Intermediate Certificate called “DigiCert SHA2 High Assurance Server CA” or the appropriate certificate for your environment and save your PC or a network location

3) Go to Start, Search from your Windows 7 workstation

4) Type MMC and press enter

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5) From the menu select, Add/Remove SnapIn

6) Select Certificates and click “Add”, then click OK

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7) Choose Computer Account and click Next

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8) Choose Local Computer and click finish and click OK

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9) Expand Intermediate Certificates and click on Certificates.

10) Right-click on Certificates, then selectAll Tasks, and click Import

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11) Click Next on the Certificate Import Wizard

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12) Click Browse and go to the location of the downloaded certificate and then click Next

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13) Click Next

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14) Click Finish

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15) Test the application to verify the SSL Error 61 error has gone away

If the error didn’t go away or if the certificates were already set the way that should have been, then the next stop is to look at  your version of Citrix Receiver.

Citrix Receiver

Updating to the latest Citrix Receiver version will typically resolve the issue once the certificates are in place.  Here is the link to Citrix Receiver for Windows http://www.citrix.com/go/receiver.html?posit=glnav, and here is the latest version for a MAC http://www.citrix.com/downloads/citrix-receiver/mac.html

Say Goodbye to SSL Error 61!

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