Tuesday, May 13, 2014

SSTP VPN Error–The parameter is incorrect (Error 87)

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When trying connect to office network via sstp vpn (based on MS TMG 2010), receive error 87 – The parameter is incorrect (параметр задан неверно (Ошибка 87))

SOLUTION:

NPS fails

Method 3: Configure Schannel to no longer send the list of trusted root certificate authorities during the TLS/SSL handshake process
To set this registry entry, follow these steps:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following registry subkey:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL

  3. On the Edit menu, point to New, and then click DWORD Value.
  4. Type SendTrustedIssuerList, and then press ENTER to name the registry entry.
  5. Right-click SendTrustedIssuerList, and then click Modify.
  6. In the Value data box, type 0 if that value is not already displayed, and then click OK.
  7. Exit Registry Editor.

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