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1、問題：

Win10/Win11更新系統(tǒng)補(bǔ)丁后，客戶端程序不能連接SQLServer2015數(shù)據(jù)庫，提示異常消息：
已成功與服務(wù)器建立連接，但是在登錄過程中發(fā)生錯(cuò)誤。 (provider: SSL Provider, error: 0 - 證書鏈?zhǔn)怯刹皇苄湃蔚念C發(fā)機(jī)構(gòu)頒發(fā)的。)

2、處理

分析可能是新的補(bǔ)丁已經(jīng)默認(rèn)棄用或禁用舊版本TLS導(dǎo)致。在客戶端電腦的PowerShell中執(zhí)行如下命令后，再次運(yùn)行程序連接正常。

foreach ($CipherSuite in $(Get-TlsCipherSuite).Name)
{
"Disabling cipher suite: " + $CipherSuite
Disable-TlsCipherSuite -Name $CipherSuite
}
Enable-TlsCipherSuite -Name TLS_AES_256_GCM_SHA384
Enable-TlsCipherSuite -Name TLS_AES_128_GCM_SHA256
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
Enable-TlsCipherSuite -Name TLS_RSA_WITH_AES_256_GCM_SHA384
Enable-TlsCipherSuite -Name TLS_RSA_WITH_AES_128_GCM_SHA256
Enable-TlsCipherSuite -Name TLS_RSA_WITH_NULL_SHA256
Enable-TlsCipherSuite -Name TLS_RSA_WITH_NULL_SHA
Enable-TlsCipherSuite -Name TLS_PSK_WITH_AES_256_GCM_SHA384
Enable-TlsCipherSuite -Name TLS_PSK_WITH_AES_128_GCM_SHA256
Enable-TlsCipherSuite -Name TLS_PSK_WITH_AES_256_CBC_SHA384
Enable-TlsCipherSuite -Name TLS_PSK_WITH_AES_128_CBC_SHA256
Enable-TlsCipherSuite -Name TLS_PSK_WITH_NULL_SHA384
Enable-TlsCipherSuite -Name TLS_PSK_WITH_NULL_SHA256
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256_P256
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384_P384
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P384
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA_P256
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA_P384
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA_P256
Enable-TlsCipherSuite -Name TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA_P384
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256_P256
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA_P256
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA_P384
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA_P256
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA_P384
Enable-TlsCipherSuite -Name TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384_P384
Enable-TlsCipherSuite -Name TLS_RSA_WITH_AES_128_CBC_SHA256
Enable-TlsCipherSuite -Name TLS_RSA_WITH_AES_128_CBC_SHA
Enable-TlsCipherSuite -Name TLS_RSA_WITH_AES_256_CBC_SHA256
Enable-TlsCipherSuite -Name TLS_RSA_WITH_AES_256_CBC_SHA
Enable-TlsCipherSuite -Name TLS_RSA_WITH_3DES_EDE_CBC_SHA

查看結(jié)果命令：

foreach ($CipherSuite in $(Get-TlsCipherSuite).Name)
{

"Enable-TlsCipherSuite -Name " + $CipherSuite
}

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