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April 24th, 2018 07:00
Setting up LDAP in OpenManage Enterprise
Greetings. We are looking at moving from OpenManage Essentials to OpenManage Enterprise. It's been very frustrating so far.
I'm trying to set up LDAP. I have a "Directory Service" configured. I don't know what I'm expected to use for Attribute of User Login, Attribute of Group Membership, or Search Filter; but the "Test Connection" button works, so I assume it's configured correctly. But when I try to log in, I can see from netstat that it's not even trying to access the LDAP server.
Then I read something out "Importing Users". Isn't the whole point of LDAP that I don't need to import users into the appliance?
So I tried "Importing Users". I selected my Directory Source, logged in with Manager crednetials (which appears to have worked), but "Available Groups" does not show any groups. So I selected "Manual", typed in the group name admin (the group that my user belongs to), assigned it a role of Administrator, and hit "Import Users". Then it tells me:
Unable to add the directory user admin because the directory UserName already exists.
I'm not trying to add a user named admin. I'm trying to import the users from the LDAP group named admin.
Can somebody explain to me what is going on, and how I can configure OME to use my LDAP server?
Thanks.



DELL-Rob C
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April 26th, 2018 11:00
Hi Eric,
Sounds like you are using LDAP directory type based on the options listed. Attributes of User Login defines what attribute in the directory holds the user information. For instance in AD distinguishedName provides the fill distinguished name of the user. Example: CN=OMEnt Test,OU=Service Accounts,OU=Resources,DC=domain,DC=local. AD uses sAMAccountName attribute for the user login, but other directory services like OpeNLDAP might use something different. Example: sAMAccountName = admin_user. Other user attributes could be userPrincipleName which has the following format – user_name@domain.local. This is the same for Attribute of Group – which attribute is used by the directory to fetch groups and memberships. While these settings are not required, if the directory being integrated into OM Enterprise uses custom or non-default attributes these would need to be specified. Search filter is also an optional setting.
Re Importing Users: This is a GUI issue. The ‘Import Directory Users’ button is improperly labeled. You are actually importing groups. This will be fixed for the next version of OM Enterprise.
Re "Already exists": If the group name is Admin, they might not be able to import that group since a user of the same name exists already. I would have them test setting up a new group, for example: oment_admins – or something like that to see if the group can then be added.
Hope this helps,
Rob
p.s. May need a support ticket to sort out some of the finer points.
I'll put the phone number here, but I need to enter it in a goofy format since this forum software strips out a lot of numbers.
8-0-0-9-4-5-3-3-5-5
DELL-Rob C
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April 26th, 2018 11:00
linking this related post FYI
https://www.dell.com/community/Dell-OpenManage-Enterprise/How-do-I-setup-LDAP-auth/m-p/5919978#M196
eric.b.hymowitz
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April 26th, 2018 12:00
Hi.
I appreciate your response, but I do not understand it.
Attributes of User Login defines what attribute in the directory holds the user information. For instance in AD distinguishedName provides the fill distinguished name of the user.
What information is OME looking for, that I need to provide the attribute? What is OME expecting to find as the value of the attribute I provide here?
This is the same for Attribute of Group – which attribute is used by the directory to fetch groups and memberships.
What information is OME looking for, that I need to provide the attribute? Which attribute is used by the directory to fetch groups and memberships? As far as I can determine, group-memberships are not attributes of the user object; usernames are contained in an attribute of the group object(s) to which the user belongs. What is OME expecting to find as the value of the attribute I provide here?
While these settings are not required, if the directory being integrated into OM Enterprise uses custom or non-default attributes these would need to be specified.
What are the "default" attributes? How would I know if my attributes are custom and need to be supplied?
Search filter is also an optional setting.
What does the Search Filter specify, and why would OME need me to provide one? What does OME expect to be matched by this Search Filter?
The ‘Import Directory Users’ button is improperly labeled. You are actually importing groups
Why, when I import a group, does OME instead create a single user account with the name of the supplied group as the username? Are all of my users supposed to log in with a single account named for the group? What is the password for this account?
somethingadmin
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July 11th, 2018 13:00
have you been able to get this to work?
I am trying to configure this as well right now and seeing the same results as you.
eric.b.hymowitz
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July 12th, 2018 05:00