Asp.net mvc 4 AmazonEC2中的推送通知错误

我在发送推送通知时遇到以下错误，我认为存在权限访问问题

我正在使用以下链接代码。

联机获取错误：

sslStream.AuthenticateAsClient(apsHost, certs, SslProtocols.Default, false);

System.ComponentModel.Win32Exception (0x80004005): The credentials supplied to the package were not recognized\r\n at System.Net.SSPIWrapper.AcquireCredentialsHandle(SSPIInterface SecModule, String package, CredentialUse intent, SecureCredential scc)

Please start service from services.msc:

1) click on run command and enter services.msc or open services .
2) start service and stratup type is automatic mode for all below services :
    a)  Cryptographic Services
    b) ASP.NET State Service
    c) Credential Manager
    d) Health Key and Certificate Management