error while logshipping

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Hi there,

I am testing logshipping and i am getting this error while it it trying to restore database from back up file on third step.

7416 16 Access to the remote server is denied because no login-mapping exists.
what i should do?

Thank you.

 

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i got that solved now but i am getting error very last step whihc is exec sp_dboption to single user

Usage: sp_dboption [dbname [,optname [,'true' | 'false']]] [SQLSTATE 42000] (Error 15241). The step failed.

what should it be done here..

thanks a lot