NiConnect Unsuccessful, Communication error, CPI-C function: CMINIT

Hello,
NiConnect Unsuccessful, Return Code: -0012
> Host: 10.4.0.34
> Service: sapgw00
Communication error, CPIC return code 020, SAP return code 666
> CPI-C function: CMINIT(SAP)
SM21 is advising frequently of that problem.
I also receive those messages:
Communication error, CPIC return code 002, SAP return code 679
> CPI-C function: CMINIT(SAP)
Communication error, CPIC return code 020, SAP return code 497
> CPI-C function: CMINIT(SAP)
All those errors are not beeing received every XXX minutes, the more we use SAP, the more we get those communications errors.
My system Specifications are:
R/3 release 4.6C
OS: SunOS
DB: Oracle
Thanks in advance

Good day,
With reference to SAP Note Note 63347 - List: CPIC error codes
your error code is listed as GW_CONNECT_FAILED 236 No connection to the gateway
GW_CONNECT_FAILED 236 No connection to the gateway
So if I were you I would investigate in this direction.
Kind Regards,
Johan

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Message was edited by:
        Gábor Szécsi

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SM21 is advising frequently of this problem.
CPIC function - CMINIT (SAP)
I also receive these messages:
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Hi,
Please check SAP Note 353597.

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Hi
As far I know, The SAP Gateway carries out CPI-C services within the SAP world, which are based on TCP/IP. These services enable SAP Systems and external programs to communicate with one another.
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Errors When Starting Remote Programs Using Remote Shell
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http://help.sap.com/saphelp_nw04s/helpdata/en/99/5f8c0bcb7d4280aa862254cffceada/frameset.htm

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Hi,
The following note 63347 provides more information about the error message.
Regards
Srivatsa.V

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Request giving Socket communication error at call=recv: error.

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NiConnect Unsuccessful, Communication error, CPI-C function: CMINIT

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