Trying to P2V a Win 2008 R2 machine. Largest Physical disk is 2 TB. Yes dynamic disks. Not re-sizing, Failed at 96% after more than 2 days 
Here's what I found in the worker log (attached)
2014-11-02T20:34:32.355-08:00 [09880 info 'task-1'] GetManagedDiskName: Get disklib file name as vpxa-nfcssl://[DataStore] [MachineName]_3-000002.vmdk@[HostName]:902!52 92 92 fc 65 6a fb b3-81 c1 cd f4 83 68 a8 29
2014-11-02T20:34:33.652-08:00 [09880 warning 'Default'] [,0] [NFC ERROR] NfcFssrvrProcessErrorMsg: received diskLib error 18 from server: NfcFssrvrOpen: Failed to open '[DataStore] [MachineName]-000002.vmdk': The parent virtual disk has been modified since the child was created. The content ID of the parent virtual disk does not match the corresponding parent
2014-11-02T20:34:33.652-08:00 [09880 info 'Default'] Sysimgbase_DiskLib_OpenWithPassPhrase failed with 'The parent virtual disk has been modified since the child was created. The content ID of the parent virtual disk does not match the corresponding parent content ID in the child' (error code:18)
2014-11-02T20:34:33.652-08:00 [09880 info 'Default'] Error 18 opening disk vpxa-nfcssl://[DataStore] [MachineName]-000002.vmdk@[HostName]:902!52 fb 2e 73 fc 7f cb 0a-aa d4 66 33 f4 4f 99 aa.
2014-11-02T20:34:33.652-08:00 [09880 warning 'Default'] ERROR 18 opening disk vpxa-nfcssl://[DataStore] [MachineName]-000002.vmdk@[HostName]:902!52 fb 2e 73 fc 7f cb 0a-aa d4 66 33 f4 4f 99 aa.
2014-11-02T20:34:33.652-08:00 [09880 error 'task-1'] [BaseDiskSetComputer::DoOpen] OpenDisks failed, mntapi error: 290
2014-11-02T20:34:33.652-08:00 [09880 error 'task-1'] [BaseDiskSetComputer::AnalyzeErrorAndThrow] Error occurred when opening disk set, MNTAPI_ERROR = 290 MNTAPI errorType = 2, errorCode = 18
2014-11-02T20:34:33.652-08:00 [09880 error 'task-1'] TaskImpl has failed with std::Exception: Platform-specific error 18
2014-11-02T20:34:33.652-08:00 [09880 info 'task-1'] TargetVmManagerImpl::DeleteVM
Please let me know if you've seen this before? Multiple searches turned up nothing