Problems with user accounts in OS X can happen that result in an account not being able to change configuration options and previously accessible resources. One example of such behavior is an admin account no longer being able to authenticate to access system preference settings even though it is listed as an admin account. Another indicative behavior would be the inability to modify that account's settings, such as its password, log-in window picture, or custom home folder location.
While people might think to look for the root of these problems within the user's folder, they will not find them there. The reason for this is the directory structure that defines the account and its capabilities is stored within the hidden /var/db/dslocal/ directory, unlike other system and user settings that are within preferences folders either in the global or user library folders. Should a setting within these configuration files become corrupted, then the account's stability and capabilities might be compromised.
To address such problems, while some people might try adjusting these account properties manually to preserve the account's integrity and correct the issue, such manipulations can be dangerous if done incorrectly. Incorrect settings to these account files can corrupt the problematic account even further and prevent it from logging in, or even corrupt additional accounts and lead to system instability.
If your account is not working properly and oth... [Read more]
via CNET http://feedproxy.google.com/~r/cnet/NnTv/~3/mg6QajaoKZ4/
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