Setting up CRM certificate on an environment restored from CRM Online

Download the certificate from your online instance (Settings >> Customizations >> Developer Resources)

Install the certificate into the user certificates:

Search for: Manager User Certificates

Right click on Personal >> Certificates and choose Import.

Browse and select the certificate you downloaded from CRM online

Right click on the certificate “*.crm.dynamics.com” and choose All Tasks >> Export

Choose “Base-64 encoded X.509 (.cer) as the format and click next and export it to a file.

Attach the certificate to CRM.

Open a powershell command window in Admin mode.

Add the CRM powershell snamp in by running: Add-PSSnapin Microsoft.Crm.PowerShell

Next install the certificate by running (replacing the path to the data file with the file from the step where you exported the base-64 file above:

Set-CrmCertificate -certificatetype appfabricissuer -StoreName My -StoreLocation LocalMachine -StoreFindType FindBySubjectDistinguishedName -DataFile C:\base64-crm.dynamics.com.cer

Finally validate that it worked by running: Get-CrmCertificate

More info:

https://msdn.microsoft.com/en-us/library/gg328249.aspx