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Knowledge Base

Domain join operation for vCenter Server appliance fails with the Error: ERROR_ACCESS_DENIED when SMBv3 is enabled on Domain Controller (77295)

Last Updated: 3/2/2020Categories: TroubleshootingTotal Views: 17572Language:
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Symptoms

vCenter Server Appliance fails to join the domain with Error: Access is denied

ESXi server fails to join the domain

Active Directory Users fails to authenticate with Error: ERROR_ACCESS_DENIED

Domain Join log on vCenter Server Appliance captures the below events

Command: ./opt/likewise/bin/domainjoin-cli --loglevel verbose --logfile /var/log/domain.log join <domain name> <user>

domain.log:

20200115230558:VERBOSE:Setting krb5 name value 'forwardable' to 'true'
20200115230558:VERBOSE:Setting krb5 name value 'validate' to 'true'
20200115230558:VERBOSE:Setting krb5 name value 'mappings' to 'AD\\(.*) $1@domain'
20200115230558:VERBOSE:Setting krb5 name value 'reverse_mappings' to '(.*)@AD\.domain\.CN AD\$1'
20200115230558:INFO:Writing krb5 file /tmp/likewisetmpQZqdkY/etc/krb5.conf
20200115230558:INFO:File /tmp/likewisetmpQZqdkY/etc/krb5.conf modified
20200115230558:INFO:Finishing krb5.conf configuration
20200115230559:ERROR:ERROR_ACCESS_DENIED [ERROR_ACCESS_DENIED]

Packet Capture on the domain controller (DC) would return the below frame:

Frame 8261: 132 bytes on wire (1056 bits), 132 bytes captured (1056 bits)
Linux cooked capture
Internet Protocol Version 4, Src: <DC IP>, Dst: <vCenter IP>
Transmission Control Protocol, Src Port: 445, Dst Port: 53566, Seq: 253, Ack: 1781, Len: 76
NetBIOS Session Service
SMB2 (Server Message Block Protocol version 2)
SMB2 Header
Server Component: SMB2
Header Length: 64
Credit Charge: 0
NT Status: STATUS_ACCESS_DENIED (0xc0000022)
Command: Session Setup (1)
Credits granted: 1
Flags: 0x00000001, Response
Chain Offset: 0x00000000
Message ID: Unknown (1)
Process Id: 0x00000550
Tree Id: 0x00000000
Session Id: 0x0000000000000000
Signature: 00000000000000000000000000000000
[Response to: 8259]
[Time from request: 0.001083000 seconds]
Session Setup Response (0x01)
[Preauth Hash: c02e5af90775290edf04178b581f90950317bebef965fc25…]
StructureSize: 0x0009
0000 0000 0000 100. = Fixed Part Length: 4
.... .... .... ...1 = Dynamic Part: True
Session Flags: 0x0000
.... .... .... ...0 = Guest: False
.... .... .... ..0. = Null: False
.... .... .... .0.. = Encrypt: False
Blob Offset: 0x00000000
Blob Length: 0
Security Blob: <MISSING>: NO DATA

Note: The preceding log excerpts are only examples. Date, time ad environment variables may vary depending on your environment

Cause

This issue occurs if RejectUnencryptedAccess parameter is enabled on the Domain Controller

Resolution

VMware is aware of this issue and working to resolve this in a future release

Workaround

To workaround this issue, follow either of the below steps:

Configure Identity Source as AD over LDAP on vCenter Server. For more information, refer to Active Directory LDAP Server and OpenLDAP Server Identity Source Settings

Set the RejectUnencryptedAccess parameter to false on Domain Controller using the below steps:

Log in to the Domain Controller Server using an user with privilege to modify configuration

Open PowerShell on the server and execute the below command to validate

Get-SmbServerConfiguration | Select RejectUnencryptedAccess

Output:

Modify the configuration using the below command:

Set-SmbServerConfiguration –RejectUnencryptedAccess $false

Output:

Validate the change using the command mentioned in Step 2

Related Information

For additional information, refer to SMB3 Secure Dialect Negotiation

Detectable by VMware SkylineTM

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End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

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Download and Install VMware Fusion (2014097)

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