Summary
Symptom
Further libraries required by the RFC library
Where can I download the current RFC library?
Compiling RFC-enabled programs is described in Notes
11682 - Compiled from RFC programs
This note provides information about the classic RFC library. As of SAP NetWeaver 7.10, a new RFC library (and RFC SDK) has been released that is incompatible with the classic RFC library. This library is called "SAP NetWeaver RFC Library" (see Note 1025361).
After the maintenance end of SAP Release 7.10 (March 31, 2016), we no longer support the classic RFC SDK or the classic RFC library.
This end of maintenance also applies to SAP Releases 7.11 and 7.20.
Since the release of the downward compatible kernel 720 (see SAP Note 1629598), only the RFC library 7.20 is still delivered and maintained. The platforms supported as of this release are listed in SAP Note 825494.
The RFC library is upward and downward compatible on Unix and MS Windows platforms. This means that you can use the current RFC library to communicate with both older and newer R/3 Systems.
The RFC library is downward compatible on OS/400 and OS/390, but may not be upward compatible. This is due to the technical features of this operating system (signature management) and does not concern the function. If an RFC program is linked to a later version of the RFC library than the version installed in the system, starting the RFC program then fails with "signature violation".
After the maintenance end of SAP Release 7.10 (March 31, 2016), we no longer support the classic RFC SDK or the classic RFC library.
This end of maintenance also applies to SAP Releases 7.11 and 7.20.
Since the release of the downward compatible kernel 720 (see SAP Note 1629598), only the RFC library 7.20 is still delivered and maintained. The platforms supported as of this release are listed in SAP Note 825494.
The RFC library is upward and downward compatible on Unix and MS Windows platforms. This means that you can use the current RFC library to communicate with both older and newer R/3 Systems.
The RFC library is downward compatible on OS/400 and OS/390, but may not be upward compatible. This is due to the technical features of this operating system (signature management) and does not concern the function. If an RFC program is linked to a later version of the RFC library than the version installed in the system, starting the RFC program then fails with "signature violation".
Further libraries required by the RFC library
The Unicode RFC library requires additional libraries. For more information about this, see Notes 522119 (libsapu16), 566334 (libsapu16 on Windows) and 519753 (ICU libraries).
Where can I download the current RFC library?
The current RFC library is available from the SAP Software Distribution Center under
'http://service.sap.com/swdc'
To download it: Navigate as follows in the frame on the left-hand side of the screen -
-> SAP Support Packages and Patches
-> Browse our Download Catalog
Then, in the right-hand frame, choose:
Support Packages and Patches
-> Additional Components
-> SAP Kernel
-> SAP KERNEL <32/64-BIT [UNICODE]>
-> SAP KERNEL 7.20
-> <your platform>
-> #Database independent
The file librfc_XX-yyyyyyyy.SAR contains the RFC-library.
The unpacking procedure is performed with SAPCAR. SAPCAR is described in Note 212876. For information about replacing the (non-Unicode) RFC library (librfc32.dll) on Windows platforms, see Note 336693.
Which corrections are included in the RFC library currently available?'http://service.sap.com/swdc'
To download it: Navigate as follows in the frame on the left-hand side of the screen -
-> SAP Support Packages and Patches
-> Browse our Download Catalog
Then, in the right-hand frame, choose:
Support Packages and Patches
-> Additional Components
-> SAP Kernel
-> SAP KERNEL <32/64-BIT [UNICODE]>
-> SAP KERNEL 7.20
-> <your platform>
-> #Database independent
The file librfc_XX-yyyyyyyy.SAR contains the RFC-library.
The unpacking procedure is performed with SAPCAR. SAPCAR is described in Note 212876. For information about replacing the (non-Unicode) RFC library (librfc32.dll) on Windows platforms, see Note 336693.
A note is provided for every correction and this note describes which problems are solved with the correction. You can access this list of corrections with the related notes using the info file. To display the info file, navigate to the RFC library on SAP Service Marketplace and choose the "Info" icon (on the right-hand side next to the "Patch Level" field).
How are versions created for the RFC library?
Version creation comprises the following parts:
Version - This is the SAP Basis Release.
Version - This is the SAP Basis Release.
Patch number - This is the current patch level of the Basis release.
SAR archive patch level - This refers to the digits 'XX' in the file name 'librfc_XX-yyyyyyyy.SAR'. This number is incremented with each new patch version. This information is only available during the download and has no relation to the version and patch number details.
How can I check the version of an RFC library?
You can check the version using the 'what'- on Unix platforms, or using the 'strings'- command on Linux as follows:
'what librfccm.<dll extension> |grep LIBRFC'
'what librfccm.<dll extension> |grep LIBRFC'
'strings librfccm.<dll extension> |grep LIBRFC'
On Windows platforms, you can determine the version using the following steps:
with an installed Unix toolkit using a DOS box
with an installed Unix toolkit using a DOS box
'what librfc32.dll |grep LIBRFC'
using the DOS box (or console):
find "LIBRFC" librfc32.dll
with Windows Explorer:
Start Windows Explorer
Select librfc32.dll (or librfc32u.dll).
Right mouse-click ->Properties->Version
Compiling RFC-enabled programs is described in Notes
11682 - Compiled from RFC programs
118227 - RFC described as "thread safe shared library" on UNIX.
Reason and Prerequisites
Not applicable
Solution
A solution is not required.
Header Data
| Release Status: | Released for Customer |
| Released on: | 08.05.2013 07:16:50 |
| Master Language: | German |
| Priority: | Recommendations/additional info |
| Category: | Consulting |
| Primary Component: | BC-MID-RFC RFC |
Affected Releases
Release-Independent
Related Notes
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