vScope supports both Discovery of and integration with the Active Directory. If something goes wrong you will be prompted with an error message that can give you a hint of the cause to the issue.
The error messages might look something like this:
INVALID_CREDENTIALS: 80090308: LdapErr: DSID-0C09042F, comment: AcceptSecurityContext error, data 52e, v2580
INVALID_CREDENTIALS: 80090308: LdapErr: DSID-0C090400, comment: AcceptSecurityContext error, data 775, v1db1
The code is listed after
Data (in this case 52e and 775).
Here is a list of common error codes that might show up:
You can read more about integrating vScope with Active Directory on this Knowledge Base post.