This is a MongoDB provider for the ASP.NET Core 2 Identity framework. It is completely written from scratch and provides support for all Identity framework interfaces:

• UserClaimStore
• IUserLoginStore
• IUserRoleStore
• IUserPasswordStore
• IUserSecurityStampStore
• IUserEmailStore
• IUserPhoneNumberStore
• IQueryableUserStore
• IUserTwoFactorStore
• IUserLockoutStore
• IUserAuthenticatorKeyStore
• IUserTwoFactorRecoveryCodeStore
• IRoleStore
• IQueryableRoleStore

For 2.2 use Nuget packages of the 5 series ( latest 5.3 )

For 3.0 use Nuget packages of the 6 series ( latest 6.3 )

services.AddIdentityMongoDbProvider<ApplicationUser, ApplicationRole>(identityOptions =>
{
    identityOptions.Password.RequiredLength = 6;
    identityOptions.Password.RequireLowercase = false;
    identityOptions.Password.RequireUppercase = false;
    identityOptions.Password.RequireNonAlphanumeric = false;
    identityOptions.Password.RequireDigit = false;
}, mongoIdentityOptions => {
    mongoIdentityOptions.ConnectionString = "mongodb://localhost/myDB";
});