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Creating a new datastore fails with the error: An error occurred during host configuration (2007328)

Cannot create a new datastore from vCenter Server or directly from the vSphere Client
Creating a new datastore fails
The Add Storage Wizard reports the error:

An error occurred during host configuration.
Call “HostDatastoreSystem.QueryVmfsDatastoreCreateOptions” for object “ha-datastoresystem” on ESXi “xxx.xxx.xxx.xx″ failed.
An internal error occurred in the vsphere client.

This issue may occur if:

The size of the LUN is more than 2TB - 512 bytes. The maximum LUN size in vSphere 4 is 2TB - 512 bytes. For more information on this limitation, see Troubleshooting a LUN that is extended in size past the 2TB/2047GB limit (1004230).
The LUN being presented was used as an RDM earlier.
The LUN contains a GPT partition that cannot be removed.

To prevent this issue:

Ensure that the LUN size is less than 2TB - 512 bytes or 2047GB. If the LUN is larger then 2TB - 512 bytes, delete it from your Storage Array and recreate it with a size less than the 2TB - 512 bytes limit.
If the disk was used by another operating system in the past or contains a GPT partition, you must delete the partition information.

For more information, see Troubleshooting the Add Storage Wizard error: Unable read partition information from this disk error (1008886).
For information on VMFS-5, see vSphere 5 FAQ: VMFS-5 (2003813).

08/28/2012 - Added link to article 2003813

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