When looking at NTFS File Permissions from Windows side, you only see SID's. error: The program cannot open the required dialog box because it cannot determine whether the computer named "host's FQDN"...When looking at NTFS File Permissions from Windows side, you only see SID's. error: The program cannot open the required dialog box because it cannot determine whether the computer named "host's FQDN"is joined to a domain. Sun May 15 20:15:39 HKT [nodeA2: secd: secd.dns.server.timed.out:error]: DNS server 10.0.0.10 did not respond to vserver = NAS11 within timeout interval. Verified DNS Pointer (PTR) records exist for each of the DC's and that they are pointing to the correct host name.