A connection was successfully established with the server, but then an error occurred during the pre-login handshake.

Hi All,

We have replication between the below two given servers and it was running fine but all of a sudden we are getting below two errors. If anyone face this issue already could you please share your views to resolve the issue.

Publisher SQL Server 2005 to Subscriber SQL Server 2014

Publisher is on Microsoft Windows Server 2003R2 Standard Edition SP2

SSMS Connection error:

TITLE: Connect to Server

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Cannot connect to panam.

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ADDITIONAL INFORMATION:

A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: TCP Provider, error: 0 - An existing connection was forcibly closed by the remote host.) (Microsoft SQL Server, Error: 10054)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=10054&LinkId=20476

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BUTTONS:

OK

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Distribution Agent job log error message:

Date1/6/2016 11:02:32 AM
LogJob History (PONT\PONT-test_db-rest_db_replica-panam-20)

Step ID2
ServerPONT\PONT
Job NamePONT\PONT-test_db-rest_db_replica-panam-20
Step NameRun agent.
Duration2.06:02:13
Sql Severity0
Sql Message ID0
Operator Emailed
Operator Net sent
Operator Paged
Retries Attempted0

Message
2016-01-08 06:04:44.959 Parameter values obtained from agent profile:
-bcpbatchsize 2147473647
-commitbatchsize 100
-commitbatchthreshold 1000
-historyverboselevel 1
-keepalivemessageinterval 300
-logintimeout 15
-maxbcpthreads 1
-maxdeliveredtransactions 0
-pollinginterval 5000
-querytimeout 1800
-skiperrors 
-transactionsperhistory 100
2016-01-08 06:04:44.959 Connecting to Subscriber 'panam'
2016-01-08 06:04:44.959 Agent message code 20084. The process could not connect to Subscriber 'panam'.
2016-01-08 06:04:44.975 Category:NULL
Source:  Microsoft SQL Native Client
Number:  10054
Message: TCP Provider: An existing connection was forcibly closed by the remote host.
2016-01-08 06:04:44.991 Category:NULL
Source:  Microsoft SQL Native Client
Number:  10054
Message: Client unable to establish connection
2016-01-08 06:04:44.991 The agent failed with a 'Retry' status. Try to run the agent at a later time.

Please let me know if any further details are required to resolve this issue. Thank You

Grateful to your time and support. Regards, Shiva