We are taking backup on to data domain but its failing for 2instace and in another instance its working fine i have checked every permission of service account everything is given but here the strange thing the backup is running automatically after sometime.
see below error
Executing query "DECLARE @Guid UNIQUEIDENTIFIER EXECUTE msdb..sp...".: 100% complete End Progress Error: 2012-08-27 03:14:53.41 Code: 0xC002F210 Source: Back Up Database Task Execute SQL Task Description: Executing the query "failed with the following error: "xp_create_subdir() returned error 161, 'The specified path is invalid.'". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly. End Error Error: 2012-08-27 03:14:53.93 Code: 0xC002F210