I tried to import a certificate in IE 9.0.7 via Tools/ Internet Options/ Content/ Certificates/ Personal.
It will report "The import was successful", but nothing shows up in 'Personal'.
I tried three different formats, .pfx .p7b and .sst.
It turned out that the certificate import worked, but for some reason a 'Service' called 'Certificate Propagation' was disabled.
I changed the Startup Type to Automatic and started it up. That solved the problem.
Please export the private key at the same time and select “Include all certificates in the certification path if possible” and “export all extended properties”.
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