What is the SID for the Domain Admins security group in Active Directory?
- S-1-5-21domain-512
- S-1-5-21domain-514
- S-1-5-21domain-513
- S-1-5-21domain-515
EXPLANATION
The SID (Security IDentifier) is a unique ID number that a computer or domain controller uses to identify you. It is a string of alphanumeric characters assigned to each user on a Windows computer, or to each user, group, and computer on a domain-controlled network such as Indiana University's Active Directory
An SID looks like this:S-1-5-32-1045337234-12924708993-5683276719-19000Microsoft usually breaks this down into this pattern:
(SID)-(revision level)-(identifier-authority)-(subauthority1)-(subauthority2)-(etc)
- SID: The initial
S
merely identifies the following string as being an SID. - Revision level: To date, this has never changed
and has always been
1
. - Identifier-authority: This is a 48-bit string that identifies the authority (the computer or network) that created the SID.
- Subauthority: This is a variable number that
identifies the relation of the user or group described by the SID to
the authority that created it. The number tells you:
- Which computer (or network) created the number
- Whether this user is a normal user, a guest, an administrator, or part of some other group
- In what order the user's account was created by this authority (i.e., "This was the first user" or "This is the 231st machine account created".)
This number is also referred to as the "Relative identifier". There can be several subauthorities involved, especially if the account exists on a domain and belongs to different groups.
Attribute | Value |
---|---|
Well-Known SID/RID | S-1-5-<domain>-512 |
Type | Domain Global |
Default container | CN=Users, DC=<domain>, DC= |
Default members | Administrator |
Default member of | Administrators Denied RODC Password ReplicationGroup |
Protected by ADMINSDHOLDER? | Yes |
Safe to move out of default container? | Yes |
Safe to delegate management of this group to non-Service admins? | No |
Default User Rights | See Administrators See Denied RODC Password Replication Group |
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