Unable to login to plesk 9.0.1 after upgrade from 9.0

SSO (single sign on) is used to provide seamless browsing from one product panel to another without having to relogin everytime. In Plesk 9 SSO is mainly used to provide integration with Parallels Plesk Billing. If you are not using Plesk Billing then you can disable SSO.

[QUOTE]I also wonder if changing the “Full Hostname” on the “Settings” -> “Server Settings” page would help. Currently it is ip- (with the actual IP has been changed to 0’s for this forum), but that doesn’t go to any address?[/QUOTE]
No quite sure, you can try to see if it does but if it does not you can set hostname that resolves correctly yourself in SSO preferences:
/usr/local/psa/bin/sso -g ==> to check current settings
/usr/local/psa/bin/sso -s ==> to change settings
/usr/local/psa/bin/sso –help for more info.



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