This article applies to:

• Trustwave SEG Service Provider Edition
• Microsoft SQL
• TLS 1.1 and 1.2

Symptoms:

• Enabling TLS v1.1/v1.2 only on the server running SQL, or
• Turning off TLS v1.0 client settings on admin console servers 
• Error message:
  System Error
  Database could not be contacted
  Error Source: Microsoft OLEDB Provider for SQL Server
  Error Description: [DBNETLIB][ConnectionOpen (SECCreateCredentials()).]SSL Security error.

Resolution:

1. Download and install the latest Microsoft OLE DB Drivers for SQL Server from https://docs.microsoft.com/en-us/sql/connect/oledb/release-notes-for-oledb-driver-for-sql-server?view=sql-server-ver15 (64-bit)
2. Edit the Registry and update the connection string for SPE:
   • Path: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Marshal\MailMarshalSPE
   • Value Name: DBConnection
   • Old Value: Provider=SQLOLEDB;Data Source=spedb;Initial Catalog=SPEConfiguration;User Id=xxxxxxxxxxxxxx;Password="xxxxxxxxxxxxxxxxxx";Network Library=dbmssocn
   • New Value: Provider=MSOLEDBSQL;Data Source=spedb;Initial Catalog=SPEConfiguration;User Id=xxxxxxxxxxxxxx;Password="xxxxxxxxxxxxxxxxxx";Network Library=dbmssocn
3. Restart IIS