Hi Sam

Thanks Alot for your Advice and help.

I end up with one more problem i.e.,

..importing table "ATTACHMENT_BLOB"
IMP-00020: long column too large for column buffer size (9999886)
IMP-00028: partial import of previous table rolled back: 59 rows rolled back.

I used the command:

imp73 system/***** file='d:\export\exp.dmp log='d:\export\exp.log' buffer=10000000 full=y.

Please let me know ASAP.

Thanks
Ravi