For a fresh installation of Vantage, the TdgssUserConfigFile.xml includes all currently available QOP options. You can uncomment QOP entries (if not already uncommented) and edit them as needed. See Changing the QOP Configuration.
<!-- To update security uncomment one or more QOPs and edit. -->
<!-- DEFAULT QOP
<MechQop Value="Default">
AES-K128_GCM_PKCS5Padding_SHA2_DH-K2048
AES-K128_CBC_PKCS5Padding_SHA1_DH-K2048
AES-K192_GCM_PKCS5Padding_SHA2_DH-K2048
AES-K192_CBC_PKCS5Padding_SHA1_DH-K2048
AES-K256_GCM_PKCS5Padding_SHA2_DH-K2048
AES-K256_CBC_PKCS5Padding_SHA1_DH-K2048
</MechQop>
-->