You can disable CHAP if your storage system does not require it.

If you disable CHAP on a system that requires CHAP authentication, existing iSCSI sessions remain active until you reboot your ESX/ESXi host or the storage system forces a logout. After the session ends, you can no longer connect to targets that require CHAP.

Required privilege: Host.Configuration.Storage Partition Configuration


Open the CHAP Credentials dialog box.


For software iSCSI, to disable just the mutual CHAP, select Do not use CHAP under Mutual CHAP.


To disable one-way CHAP, select Do not use CHAP under CHAP.

The mutual CHAP, if set up, automatically turns to Do not use CHAP when you disable the one-way CHAP.


Click OK.