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when creating a new organization via the manager we get the following error.
The installation user is admin on both SQL Server and CRM Front and Backend Server. This user could also perform the installation and create the config database.
14:04:39| Error| HResult=80004005 SQL Server does not exist or access denied. Connection string (Data Source=XXX\XXX;Initial Catalog=XXX_MSCRM;Integrated Security=True;Connect Timeout=60)System.Data.SqlClient.SqlException (0x80131904): A connection to the server could be established, but an error occurred during the login process. (provider: Named Pipes Provider, error: 0 - No process is at the other end of the pipe). ---> System.ComponentModel.Win32Exception (0x80004005): No process is at the other end of the pipe
The exception suggests that this could be a connection issue with SQL from CRM box.
Please check connectivity to SQL using a test.UDL file ::
https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/troubleshooting/ad-fs-tshoot-sql#create-a-universal-data-link-udl-file-to-test-connectivityAlso check if Windows Authentication is enabled within the server properties.https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/troubleshooting/ad-fs-tshoot-sql#create-a-universal-data-link-udl-file-to-test-connectivityThe exception doesn't hint any TLS/SSL handshake issue however, I would recommend enabling TLS 1.0 for at least client on CRM server and for server on SQL box to avoid any communication issues during the course of this installation activity.Please mark my comments as answered if this helps.
Based on the error, you're trying to connect to the SQL Server using Named Pipes. Possible causes of the error are:
Named Pipes might not be enabled on the SQL Server - you can check this, and enable if necessary, use the SQL Server Configuration Manager tool on the SQL Server
Firewall rules might block the traffic - I think Named Pipes uses UDP 137 and 139, and TCP 445
The SQL Server Service might not be running
Alternatively, you could try using TCP/IP (TCP port 1433 by default)
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