You should configure the DCOM settings so that the migrator runs under the identity of the user who launched it. In addition, you should configure the DCOM settings to allow members of the local administrator's group and the SYSTEM group to perform the following:
To apply the recommended DCOM settings
Search for NBUMigrator under,Component Services> Computers> My Computer > DCOM Config.
In the Launch and Activation Permissions field, select the Customize option and then click Edit.
From the Launch Permission dialog box make sure that only the following groups are in the Group or user names field:
In the Permissions for SYSTEM field, ensure that both groups are given full permissions and click OK.
On the Securities tab, select the Customize option in the Access Permissions field, then click Edit.
From the Access Permission dialog box make sure that only the following groups are in the Group or user names field:
In the Permissions field, ensure that both groups are given full permissions and click OK.
Click OK. The DCOM configurations settings have been applied.