SSIS Package Execution, Windows Authentication, Error: Failed to acquire connection

Question

Hello,
I have developed one SSIS Package in SSDT 2012 to create Reporting Database from SQL Datasource and 1 SharePoint List.
On Development Environment : (Windows Authentication)
Here everything is running fine.
On Test Environment Client Side : (Windows Authentication)
Deployed successfully.
Validating successfully.
While executing the package: getting below error.
SSISPackage:Error: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error Code : 0x80040E21.
An OLE DB record is abailable. Source: "Microsoft OLE DB Service Componenets" Hresult: 0x80040E21 Description: "Multipe-step OLD DB operation generated errors. Check each OLD DB status value, if available. No work was done.".
Execute SQL Task: Error: Failed to acquire connection "ReportingDB". Connection may not be configured correctly or you may not have the right permissions on this connection.
I have done below things:
On SSIS Package side,
1. DelayValidation is Set to True for all the connections and each tasks in package
2. RetainSameConnection : True
3. ProtectionLevel : DoNotSaveSensitiveData
On SSMS,
1. Created one Credential
2. Create Proxy under SSIS SQL Service Agent to run package as Windows User
3. Checked all the permissions and roles.
Below is the connection string which I am using.
Data Source=DBTEST;Initial Catalog=ReportingDB;Integrated Security=SSPI; persist security info=False;
Trusted_Connection=Yes;
Can anyone please help me? As I am trying to resolve this error for the last 4 days and could not find any solution yet.
Thank you,
Mittal.

Answer 1

Can you try changing protection  to - EncryptSensitiveWithUserkey
can you also enable DTC
To enable MSDTC on each Web server on Windows Server 2008
Click Start, click Run, type dcomcnfg and then click OK to open Component Services.
In the console tree, expand Component Services, expand Computers, expand My Computer, and then expand Distributed Transaction Coordinator.
Right click Local DTC, and click Properties to display the Local DTC Properties dialog box.
Click the Security tab.
In the Security Settings section, click Network DTC Access.
In the Client and Administration section, select Allow Remote Clients and Allow Remote Administration.
In the Transaction Manager Communication section, select Allow Inbound and Allow Outbound.
In the Transaction Manager Communication section, select Mutual Authentication Required (if all remote machines are running Windows Server 2003 SP1), select Incoming Caller Authentication Required (if running MSDTC in a cluster), or select No Authentication
Required if some of the remote machines are pre-Windows Server 2003 SP1. No Authentication Required is the recommended selection.
Select Enable XA Transactions, and then click OK.
Repeat steps 1 through 9 on the other Web servers.
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