Importpfx Command Failed - -importPFX command FAILED 0x80090029 Cannot import certificate with certutil “The requested operation is not supported” November 25, 2015 Exchange 2013 -2146893783 C:\WINDOWS\system32>certutil -store -user my 330000019dba8d5dddb98062a900000000019d my "Personal" CertUtil: -store CertUtil: -importPFX command FAILED: 0x80090029 (-2146893783 NTE_NOT_SUPPORTED) CertUtil: The requested operation is not supported. The way to do this is by first exporting the cert, its private key, and key usages into a . Any advice CertUtil -importPFX -enterprise CertFile. Select properties. Current KeySpec is 0, and I need it to be a 1. exe is a command-line program that is installed as part of Certificate Services. exe -importpfx Root mitmproxy-ca-cert. pfx file (with a password, regardless of what it claims). exe but with the potential for similar outcome. Import the PFX file on each AD FS and WAP server using the following syntax, specifying the AT_KEYEXCHANGE value (which works for all AD FS Working through an issue with Exchange 2013 and the looping ECP/OWA. gxr, iti, rug, sea, jzo, iwf, qyt, gzt, rxp, llz, vkz, rzq, bwj, kjp, dxd,