Windows error 0x80090331, -2146893007

Could not create SSL/TLS secure channel. The client and server cannot communicate, because they do not possess a common algorithm

A bit of background I am developing a webpage that connects to a web service using SOAP. I get this error when I am call a method on the web service: The request was aborted: Could not create SSL/TLS secure channel. There fore i Added the line of code. ServicePointManager.Expect100Continue [...] read more

SSL/TLS protocol version fallback mechanism

I'm using Microsoft Crypto API to handle SSL connections. When communicating with servers that support TLS 1.0 or higher everything works fine, but when I try to deal with server that support only SSL 3.0 InitializeSecurityContext() fails with error code 0x80090331 (SEC_E_ALGORITHM_MISMATCH). I tried to play with SCHANNEL_CRED structure that [...] read more

Enforce SQL Server NAtive Client 11.0 while using SQLCMD

SQLCMD is by default using SQL Server Native Client 10.0 which is throwing below eror T:\mno\pqr>sqlcmd -S 192.168.29.3 -U abc -P def -d ghi -i "jkl.sql" HResult 0x15, Level 16, State 1 Encryption not supported on the client. Sqlcmd: Error: Microsoft SQL Server Native Client 10.0 : Client unable to [...] read more

SChannel, SEC_E_ALGORITHM_MISMATCH (0x80090331)

Days of troubleshooting on this one, googling solutions & re-reading Microsoft documentation on the needed functions. Changing variables, retrying again and again. Help is very thoroughly appreciated, I'm sure it's not just me running into this. I am working to implement networked client & server apps which communicate with a [...] read more

IDX20803: Unable to obtain configuration from: 'https://localhost/IdentityServer/Core/.well-known/openid-configuration'

We are using the IdentityServer3.Membership library for IdentityServer. Token validation is works fine using HTTP both in Local as well as QA machine. But when we configure to HTTPS then getting below error. Steps. Validating the token in Asp.net core 3.0 application using identityserver4.AccessTokenValidation library3.0.1 Error is getting when we [...] read more

ClientHello Fails to negotiate TLS Version During handshake

I am trying to send mail using java mail. My mail server accepts only TLSv1.2. I tried to configure the TLSv1.2 in my client request. But, during TLS handshake my clientHello always using TLSv1. I tried to debug the handshake which is below, [22:10:45:099]|[01-03-2019]|[SYSOUT]|[INFO]|[56]: Allow unsafe renegotiation: false Allow legacy [...] read more

SQL Server 2014 Express suddenly stopped working and not getting up

SQL Server 2014 Express was working well but don't know what happened suddenly on weekend it's not starting. I tried to run it manually but it's throwing below error message. enter image description here [https://i.stack.imgur.com/aoflH.jpg] Error log file is as below: 2017-04-10 10:36:41.56 spid9s Starting up database 'msdb'. 2017-04-10 10:36:41.56 [...] read more

Cannot secure connection using TLS

I'm trying to establish a secure socket connection between a Java client applet (built with JDK 1.7.0_75-b13) and a VC++ server application. As a test vehicle, I used a VC++ client/server sample I found in the MSDN forums, modified it to use SChannel and was able to establish a socket [...] read more

SEC_E_ALGORITHM_MISMATCH (0x80090331) - The client and server cannot communicate, because they d not possess a common algorithm

I am using a python client to connect to C++ server over https. However when a client tries to download some file from the server I get a error reported by the server as "The client and server cannot communicate, because they do not possess a common algorithm." The client [...] read more