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Knowledge Base

hostd fails to start with a Crypto Exception error (1021625)

Last Updated: 3/20/2024Categories: TroubleshootingTotal Views: 17679Language:
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Symptoms

Unable to start the hostd process of the ESX/ESXi host.

In the hostd.log file, you see entries similar to:

[2010-05-17 02:10:57.050 F65FC6D0 info 'App'] Vmacore::InitSSL: doVersionCheck = false, handshakeTimeoutUs = 20000000
[2010-05-17 02:10:57.051 F65FC6D0 panic 'App'] error: Crypto Exception: error:0906D06C:PEM routines:PEM_read_bio:no start line

In the hostd.log file, you may also see a backtrace similar to:

Hostd backtrace with following events after replacing ssl certificate in host.
error: Crypto Exception: error:0906A068:PEM routines:PEM_do_header:bad password read

Unable to add an ESX/ESXi host to vCenter Server

You see the error:

Cannot contact the specified host. The host may not be available on the network, a network configuration problem may exists, or the management services on the host may not be responding

The ESX/ESXi host shows as disconnected in vCenter Server

Resolution

This issue occurs if the self-signed SSL certificates are missing or are not updated after FQDN or Shortname change.

To resolve this issue, you must create a new self-signed certificate on the ESX or ESXi host.

Note: If you are using custom or CA signed certificates, see Replacing vCenter Server Certificates.

To create a new self-signed certificate on the ESX or ESXi host:

Run this command to navigate to the SSL folder:

cd /etc/vmware/ssl

Run this command to create a folder named backup:

mkdir backup

Run this command to move the existing SSL certificate files to the backup folder:

mv rui.* backup

Restart the management agents on the ESX or ESXi host. This creates a new self-signed certificate. For more information, see Restarting the Management agents on an ESX or ESXi Server (1003490).

Note: In ESXi 3.5, ESXi 4.1 and 5.x, if the new self-signed certificates are not created after restarting the management agents, you may have to manually create the certificates. To create new self-signed certificates:

Change to sbin directory

# cd /sbin/

Run the generate-certificates.sh script to generate new certificates:

# ./generate-certificates.sh

For ESXi 5.x, use this command:

# ./generate-certificates

For ESXi 3.5: Run the create_certificates script to generate new certificates:

# ./create_certificates

Note: For ESXi 3.5, restart the the management agents on the host to complete the process. For more information, see Restarting the Management agents on an ESX or ESXi Server (1003490).

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Additional Resources

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

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vCenter の操作が次のエラーでタイムアウトする： 別のタスクが進行中のため操作に失敗しました (1004790)

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