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Error: mailmng failed: Invalid class string (COM Error 800401F3)

mazaamahesh

Basic Pleskian
installed new fresh os 2012 r2 with Plesk 12.5.30 completing everything whenever i tried to add new domain i am getting following error


Error: mailmng failed: Invalid class string (COM Error 800401F3) at Can't CreateInstance(MEAOPO.PostOffice) at (DispatchHelper::CreateInstance line 41) at execute console command --add-domain(vconsoleapp::start line 100) at execute "C:\Program Files (x86)\Parallels\Plesk\admin\bin\mailmng.exe" --add-domain "--domain-name=test.com" "--disk-quota=-1" "--total-disk-quota=-1"(vconsoleapp::run line 117) (Error code 1)

Please help.
 
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