After installing zimbra can't login as user nor admin

[Bashar]

Hello,
I've installed zimbra but i can't login using the admin@example.com neither on 7071 or as email user

in mailbox.log i see no errors but invalid password

2012-01-17 01:53:04,126 INFO [btpool0-0://localhost/service/soap/AuthRequest] [name=admin@example.com;ip=123.234.345.456;ua=zclie nt/7.1.4_GA_2555;] SoapEngine - handler exception: authentication failed for [admin@example.com], missing userPassword

admin:
2012-01-17 01:54:38,964 INFO [btpool0-6://example.com:7071/service/admin/soap/AuthRequest] [ip=123.234.345.456;ua=ZimbraWebClient - FF3.0 (Linux);] soap - AuthRequest
2012-01-17 01:54:38,966 INFO [btpool0-6://example.com:7071/service/admin/soap/AuthRequest] [name=admin@example.com;ip=123.234.345.456;ua=Zimbr aWebClient - FF3.0 (Linux);] SoapEngine - handler exception: authentication failed for [admin@example.com], missing userPassword


where can i change it in case something was done wrongly during installation?

Thanks

[Bashar]

never mind, i reset it using zmprov sp and worked now

thanks