crontab: pam_access(crond:account): access denied for user `root' from `cron'You may also see the following message when, as root, you type "crontab -e":
Permission deniedYou (root) are not allowed to access to (crontab) because of pam configuration.
If there are any like that, check /etc/security/access.conf -- you need to allow root access via cron and crond by adding the following line:
+ : root : cron crond