Thanks a lot for your response. I was able to install it by turning down few services including the WMI you mentioned. I greatly appreciate your help.

Also I found the...

thanks for all your responses.

I can copy file of same size to the backup directory. I checked the  maintenance plan report  and did'nt get anythign more.

I even mapped a netowrk...

Thanks a lot for your response.

I have the owner of the job set to SA and also both my SQL Server Service and SQL server agent run under domian admin...

Thanks a lot Andy! I did check the connectivity.I will wait for Steve or any response from others.

I appreciate your response.