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Services for UNIX Team - Microsoft
adprep/forestprep/ native mode
client for nfs
Gateway for NFS
Identity Management for UNIX
Server for NFS
Server for NIS
Services for Unix
user name mapping
Windows 2008 R2
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Services for UNIX Team - Microsoft
server for nfs
Setgid/Setuid does not work against a NFS share hosted on Windows 2012
One of our customer recently reported issue where setgid/setuid was not working against a NFS share hosted on Windows 2012. Below are two images which shows the expected behaviour while SGID is set on a local share v/s the unexpected behaviour over a NFS share. ==> Local Share ==>...
28 Feb 2014
"Server for NFS" service exhibits different behaviour when restarted using different options
While working on a issue recently, we found that there was a difference in behaviour when we restart the "Server for NFS" service from the services console compare to restarting it using the "nfsadmin" command. The issue was happening after a disk was reformatted and could be reproduce if the Service...
3 Jul 2013
RHEL clients displays Anonymous UID and GID in the permission for the files and folder that are shared over NFS v4.1
Consider a scenario where Windows 2012 is hosting shares over NFS v4.1. Adlookup is configured for user and group mapping. RHEL 5.8 is the NFS client which is mounting the NFS shares and then accessing as a mapped user. From the Windows side correct information is displayed on the ownership tab. Also...
14 Mar 2013
Tips on 'mount options" on NFS version 4.1
Inputs on NFS 4.1 mount: While working on a recent scenario on NFS V4.1, we came across some intresting scenarios for mounting the NFS volumes on the Unix NFS clients. In the implementation of V4.1, there are no particular access requirements to virtual directories , but all relative objects have...
12 Mar 2013
Unable to access Symbolic link on a NFS share
While working on one of the case, the customer reported that he was unable to access symbolic link of a NFS share. The symbolic link was pointing to another directory under the same NFS share. The NFS share was hosted on Windows 2008 R2. While checking the properties of the link, we found that the link...
10 Oct 2012
Permission Denied while trying accessing the file from UNIX clients
There was an issue in Windows 2008 R2, where the Unix clients were unable to honor the NTFS style of permission even though the “KeepInheritance” registry key was turned on the NFS server. The NFS server was still using the Unix style of permission. We recently had the hotfix released...
20 Apr 2011
Getting permission denied error intermittently from Unix clients
Recently we got a case where customer informed that intermittently he is getting access denied error from the Unix clients. This happens while the users from Unix clients are trying to list the content inside the NFS share or read\write into a file. The environment was: Windows 2003 R2, 2 node...
4 Apr 2011
Unable to run the chown command from UNIX clients
Recently we had an issue where the user from the Unix clients were unable to run the ‘chown’ command. They were getting permission denied. We were getting the error ‘Permission denied’ even when the owner of the file was running the chown command. The permission on the files...
17 Mar 2011
User name mapping not working through ADlookup
Recently we had an issue where User Name Mapping were not working through ADlookup. Initially it looks to be some issue with either the UID\GID not been set properly or some configuration issue. While we were troubleshooting on the issue, we confirm that the correct UID\GID has been populated in the...
12 Jan 2011
Important Tips on NFS (Part 4)
What registry keys can be modified, if the number of Unix clients are more? We can make the following registry changes: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Rpcxdr\Parameters · Right-click DefaultConcurrentConnections, and then click Modify è default value...
9 Dec 2010
Important Tips on NFS (Part 2)
Why I am unable to change ownership from Windows clients? This is due to the default Unix style behavior. In Unix side only root can delete files which he is not the owner. Hence from Windows clients even if the user has full permission (i.e. if the file has the permission 777 from Unix), still...
9 Dec 2010
List of Hotfix for SFU 3.5
Please find the list of Hotfix for SFU 3.5. For Server for NFS: http://support.microsoft.com/kb/939767 for Nfssvc.exe/Nfssvr.sys ( 8.0.2254.19) http://support.microsoft.com/kb/933397 for Nfssvr.sys ( 8.0.2254.20) ( You would first need to install the above patch to update the nfssvc...
2 Sep 2010
List of Hotifx to update the Server for NFS drivers in Windows 2003 R2
Please find the list of patch, one need to install to update the Server for NFS related drivers in Windows 2003 R2. Install the patches in sequential order. The first one will update the RPC(rpcxdr.sys). The second one updates the Server for NFS driver (nfssvc.exe and nfssvr.sys). The last one...
23 Aug 2010
Stale NFS file handle : Windows 2008 R2 and Solaris 10
Recently I faced a scenario where Solaris 10 systems were unable to mount the NFS share from a Windows 2008 R2 system. The mount command was throwing error message as “Stale NFS file handle”. Upon investigation it turned out to be an issue with securehandlelevel. The is registry key has...
20 Aug 2010
Issue with NFS access between Windows and Macintosh
Recently we got a case where customer was sharing files through NFS between Windows and Macintosh. He came up with an issue that he was getting duplicate files with some special characters. With research we found that, some Macintosh applications use alternate data stream for purposes like file...
13 Aug 2010
Unable to install NFS services on Windows 2008
We recently got one issue where the customer was unable to install the NFS services on windows 2008. On troubleshooting we found that port number '111' was occupied by some other service. We confirmed the same from the 'netstat -ano' output. The command above gave us the output with the 'PID" running...
26 May 2010
How to change the default ownership of a newly created file on Windows
Recently we got an issue where customer was creating a new folder under a NFS share from Windows box, but the default ownership for the newly created folder was going to Administrator. Customer wanted the ownership to go to the person who is creating the share rather than Administrator. To achieve this...
26 May 2010
Unable to move NFS resource from one cluster node to other
One of the common issue on NFS as a cluster resource is that during failover the resource fails to move from one node to other. The network name is moved but the NFS resource shows the status as “Failed” This usually happen due registry corruption. Server for NFS service has to be started in certain...
17 Mar 2010
Unable to chown file from Unix client
By default, a user cannot chown a file and make someone else an owner of it. Only root user can successfully run the chown command. But a user should be able to chown a file which is already owned by him. This sound weird as why would anyone want to chown a file already owned by him. On one of my customer...
26 Feb 2010
NTFS permission not flowing to the newly created files and subfolder
Consider the present scenario. A NFS share has been created on a C drive. Desired NTFS permission are given to the share. On the folder properties- security-advance the option below is checked Then the registry key “KeepInheritance” is set to 1. HKEY_LOCAL_MACHINE\Software...
12 Feb 2010
Server for NFS failed to initialize on drive letter <L:>
At times we see an event when the Server for NFS service starts up and the clients fail to mount the shares on this drive with error – invalid argument. This happens on a 2 node cluster environment. In this specific environment, the drive in questions is L: and the WMI traces show some issues...
5 Feb 2010
Sco (Unixware cannot access NFS share from windows 2008)
Recently we got multiple issues, where Unixware client was unable to access NFS share on a Windows 2008 machine. UnixWare client seems broken - it sends V4 GETADDRLIST call and when the server replies, it cannot understand the reply and fails to list or mount the shares. Deleting the registration using...
26 Jan 2010
Disk Space is showing as 0.0 MB for NFS components in Add Remove Windows Component
When you go to Control Panel-Add Remove windows component and select Microsoft Services for NFS to install, you will see the size as 0.0 MB. The actual size for this component is 3.9 mb. This is just an issue on certain builds of Windows XP, Windows 2003/R2 and is caused due to incorrect entries in layout...
18 Dec 2009
A file created from UNIX side gets some extra permission
Recently we came across a scenario when a file or folder is created from a UNIX client, then in the NTFS permission we can see the everyone group (even if the NTFS permission does not permit everyone group to be included; neither through inheritable permission nor though any other means) This happens...
29 Oct 2009
(Un)common NFS Error
Some of the very common error message we came across while troubleshooting NFS related issues. The uniqueness of these error messages is they do not provide any hint towards the resolution J . Error message are always like that J Issue : Server for NFS: Unable to create a NFS share; Error message...
12 Sep 2009
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