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RFC connection

Former Member
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I have two instances one ECC and the other one is SCM hosted by AWS. I am getting a connection error when trying to create a RCF connection by specifying an IP.

LogonConnection Error Error DetailsError when opening an RFC connection (CPIC-CALL: 'ThSAPOCMINIT', communication r Error DetailsERROR: timeout during allocate Error DetailsLOCATION: SAP-Gateway on host vhcalerpci.dummy.nodomain / sapgw00 Error DetailsDETAIL: no connect of TP sapdp00 from host ec2-xx-xxx-xx-XXX.compute-1.amazona Error DetailsCOMPONENT: SAP-Gateway Error DetailsCOUNTER: 8 Error DetailsMODULE: /bas/745_REL/src/krn/si/gw/gwr3cpic.c Error DetailsLINE: 2181 Error DetailsRETURN CODE: 242 Error DetailsSUBRC: 0 Error DetailsRELEASE: 745 Error DetailsTIME: Fri May 18 09:21:09 2018 Error DetailsVERSION: 2

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Answers (2)

Answers (2)

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aws uses dummy hostnames - nice feature but might be confusion at sap level sometimes.

can you please try the rfc using IP instead... (not the best practice)

alternatively, you can try assigning a hostname to your server (also in hosts) then try again.

Product and Topic Expert
Product and Topic Expert
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There are several reasons why such an issue can occur. Please check:

SAP Note 581509 - Reasons for "timeout during allocate"


SAP note 1333483 - Timeout during allocate of a registered program

Kind Regards,

Hemanth Kumar
SAP Product Support