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BACK RFC password is incorrect

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发表于 2016-8-16 08:49:44 | 显示全部楼层 |阅读模式
The managed system PRD is on old release SAP_BASIS 640, the automatic generated password of the user SMB_PRD00001 is quite long, while as mentioned in note 807895,
-- an older ABAP system (6.40 or lower) calls a newer ABAP system (higher than 6.40)

Newer ABAP systems are able to process passwords up to a length of 40 characters and also distinguish between lower-case and upper-case letters. Now, if the password of the user used (in the target system) includes more than 8 characters or contains lower-case letters, it is not possible to enter this password in a SM59 destination of an older ABAP system; it is always converted to upper case and truncated to 8 characters.
so the long password will be converted to upper case and truncated to 8 characters, that's why we always get the error even though user and RFC generate are all OK in managed system config. Now we manually set the password for this user in su01 of solman to ABCDEFG, and also set it in SM59 of PRD system. now RFC step is OK without any issue.
In a word, if you have managed system on old release 6.40 or lower, you have to manually set the password for the user of BACK RFC after generating it in managed system config. what you need to do is:
1. go to su01 of solman and change the password of the user, it should be up to 8 character and in upper case
2. go to sm59 of managed system and enter the new password then do the authorization test
3. refresh the RFC step in managed system config.

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