From the error text it is clear that Proxy settings are not matching between the servers, in a multi-server environment it is essential to configure the proxy server settings correctly to ensure no errors reported while executing the jobs. From SQL Server...
SQLServer-QA.net - Knowledge Sharing Network (SSQA.net)
Wed, Oct 6 2010
Filed under: Filed under: sql server, security, dba, multiple, proxy, setup, sql server agent, distributed transactions, target server, ssis package