Export Data Failing

I am using SSMS 2005 to export data from a 2000 Database to another 2000 Database (separate servers). lately I am encounting the following issues:

Messages
Error 0xc0202009: Data Flow Task: SSIS Error Code DTS_E_OLEDBERROR. An OLE

Database error has occurred. Error code: 0x80004005.
An OLE Database record is available. Source:

"Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Communication link

failure".
An OLE Database record is available. Source: "Microsoft SQL Native Client" Hresult:

0x80004005 Description: "TCP Provider: An existing connection was forcibly closed by the

remote host.
".
(SQL Server Import and Export Wizard)

Error 0xc0209029: Data Flow Task:

SSIS Error Code DTS_E_INDUCEDTRANSFORMFAILUREONERROR. The "input "Destination Input" (62)"

failed because error code 0xC020907B occurred, and the error row disposition on "input

"Destination Input" (62)" specifies failure on error. An error occurred on the specified

object of the specified component. There may be error messages posted before this with more

information about the failure.
(SQL Server Import and Export Wizard)

Error 0xc0047022: Data

Flow Task: SSIS Error Code DTS_E_PROCESSINPUTFAILED. The ProcessInput method on component

"Destination - contract_details_loading" (49) failed with error code 0xC0209029. The

identified component returned an error from the ProcessInput method. The error is specific to

the component, but the error is fatal and will cause the Data Flow task to stop running.

There may be error messages posted before this with more information about the failure.
(SQL

Server Import and Export Wizard)

Error 0xc0047021: Data Flow Task: SSIS Error Code

DTS_E_THREADFAILED. Thread "WorkThread0" has exited with error code 0xC0209029. There may be

error messages posted before this with more information on why the thread has exited.
(SQL

Server Import and Export Wizard)

Error 0xc02020c4: Data Flow Task: The attempt to add a row

to the Data Flow task buffer failed with error code 0xC0047020.
(SQL Server Import and Export

Wizard)

Error 0xc0047038: Data Flow Task: SSIS Error Code DTS_E_PRIMEOUTPUTFAILED. The

PrimeOutput method on component "Source - Query" (1) returned error code 0xC02020C4. The

component returned a failure code when the pipeline engine called PrimeOutput(). The meaning

of the failure code is defined by the component, but the error is fatal and the pipeline

stopped executing. There may be error messages posted before this with more information about

the failure.
(SQL Server Import and Export Wizard)

Error 0xc0047021: Data Flow Task: SSIS

Error Code DTS_E_THREADFAILED. Thread "SourceThread0" has exited with error code 0xC0047038.

There may be error messages posted before this with more information on why the thread has

exited.
(SQL Server Import and Export Wizard)




- Post-execute (Error)
Messages
Information 0x402090df: Data Flow Task: The final commit for

the data insertion has started.
(SQL Server Import and Export Wizard)

Error 0xc0202009:

Data Flow Task: SSIS Error Code DTS_E_OLEDBERROR. An OLE Database error has occurred. Error code:

0x80004005.
An OLE Database record is available. Source: "Microsoft SQL Native Client" Hresult:

0x80004005 Description: "Communication link failure".
(SQL Server Import and Export Wizard)

Information 0x402090e0: Data Flow Task: The final commit for the data insertion has ended.


(SQL Server Import and Export Wizard)

Error 0xc0047018: Data Flow Task: component

"Destination - contract_details_loading" (49) failed the post-execute phase and returned error

code 0xC0202009.
(SQL Server Import and Export Wizard)

My network guys insist there is no issue with the network. I am at a loss to understand why one session will work but another will not. I am exporting approx 13 million rows thru each batch that i run.

Any help will be greatly appreciated.
Thanks