This technote explains why login fails with "Unable to login: username or password is incorrect", while PAM is activated with Shadow password and MD5 password enabled on Linux when using IBM Rational ClearCase Web (CCWeb), ClearCase Remote Client (CCRC) or MultiSite Web Console (MSWeb).
Even though the correct username and password has been entered from the ClearCase portal, login still fails with Unable to login: username or password is incorrect, while PAM is activated with Shadow password and MD5 password enabled on Linux.
If you encounter this issue on with ClearCase 7.1 on Linux, you may also see the errors in the CM Server log similar to these:
[10/13/09 10:48:12:280 CEST] 0000002e CMLogger I com.ibm.rational.stp.server.oncrpc.OncrpcManagedConnectionFactory$BaseServer stop CRVSV0964I ONC RPC server process 'ClearCase - 5.29924' has been stopped.
[10/13/09 10:48:12:281 CEST] 0000002e CMLogger W com.ibm.rational.stp.server.cc.CcProxy doLogin CRVSV0962W ClearCase login failed for user '<username>' on server 'ClearCase - 5.29924'.
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