NSX-T host preparation fails with error "Credentials for the host need to be specified"

Products

• VMware NSX

Issue/Introduction

• When preparing a host for NSX-T, you see an error message indicating: 

     Credentials for the host need to be specified.

• When adding the transport node profile and configuring NSX, an error is noted indicating that the IP already exists for that node. 

• Checking NSX-T manager log /var/log/proton/nsxapi.log, you can see similar messages:

2023-02-07T11:12:42.577Z WARN task-executor-6 HostTnPrepServiceImpl 6377 FABRIC [nsx@6876 comp="nsx-manager" level="WARNING" subcomp="manager"] Error occurred during HostTn creation for discovered node ########-####-####-####-############:host-###
...
2023-02-07T11:12:42.577Z INFO task-executor-6 TransportNodeProfileUtilImpl 6377 FABRIC [nsx@6876 comp="nsx-manager" level="INFO" subcomp="manager"] Record validation error in TNC for discovered node ########-####-####-####-############:host-### message : Node with this IP ###.###.#.## was recently deleted and is being cleaned up. Please retry registering after some time.
2023-02-07T11:12:42.587Z INFO task-executor-6 DiscoveredNodeFinderImpl 6377 FABRIC [nsx@6876 comp="nsx-manager" level="INFO" subcomp="manager"] Returning discovered nodes parent id as ########-####-####-####-############:domain-##### for given external id ########-####-####-####-############:host-###

Environment

VMware NSX-T 3.x
VMware NSX 4.x

Cause

This issue can occur due to inconsistent records in the NSX Corfu database.

Resolution

This is a known issue impacting NSX-T Data Center.

Workaround:
If you believe you have encountered this issue, please open a support request with and refer to this KB article.

Additional Information

If you are contacting Broadcom support about this issue, please provide the following:

• NSX Manager log bundles
• ESXi host log bundles for hosts that are failing to configure as transport nodes.
• Text of any error messages seen in NSX GUI or command lines pertinent to the investigation

Handling Log Bundles for offline review with Broadcom support

• Collect Support Bundles for Troubleshooting NSX-T
• Uploading Diagnostic information on Broadcom portal
• Creating and managing Broadcom support cases