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Admin shares on a Windows 2008 R2 server not accessable from Primary Domain controller

August 30, 2011, 12:35 pm
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When trying to connect to one of my member server from the primary domain controller that it is a member of, I cannot access the administrative shares. EX:\\server\C$ or \\Server\F$. I am able to access all other shares from the same domain controller and am able to access the admin shares from other servers.

The error I get is: Windows cannot access \\server\c$ (in the details section if you click the down arrow it show error code: 0x80070043 The network name cannot be found.

Seems strange to me that the admin shares are accesible from servers other than the primary domain controller and all other shares are accessible to that same DC. I have taken the server off the domain and rejoined, disconnected everyone from the share manually and cannot for the life of me figure this out. I need to get this working to be able to use DFS over my WAN. Please let me know if anyone has dealt with this issue and has found a way to resolve it.

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About DFS file server Add nodes Copy folder?

May 13, 2015, 1:34 am
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Hi Expert,

         
             WE Companydeploys aDFS server in Office,Hope in branch Office Deploys  DFS Server,
Andcopy thepublicfolder,
Please Providesdeploymentreference Links,Thanks a lot ！！

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Migration 2003R2 to Windows 2012R2 file services now finding file corruption

May 6, 2015, 1:56 pm
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We recently migrated from our windows 2003R2 file server environment to 2012R2.  Ever since the migration we have experienced file corruption on multiple types of files.  (.mdb, .pst, xls)  The majority of these files have been access DB and email .pst archive files. (I know .pst files not supported)   The error messages for the .mdb files are typically "Your  networks access was interrupted".  For .xls, it would just indicated that the file could not open.  

Both of these volumes are setup to dedupe.  I've read some articles that say that deduplication could be the issue and that you can exclude certain file types/extensions from deduplication.  In checking the current deduplication, there are some exclusions but not for .mdb, .pst or xls.

ExcludeFileTypeDefault  : {edb, jrs}

NoCompressionFileType   : {asf, mov, wma, wmv...}

I've read some articles that suggested that the problem is that SMB is the issue and that I should disable SMB 3.0.. Others commented that you should not turn off SMB 3.x on the server because you would loose many of the benefits that SMB 3.x provides and that it may cause other issues.  The clients are all running Windows 7 Pro, and on the server it shows the access from the clients are v2.10, which is the default for Windows 7.  There were some patches for 2012R2 to turn off Leasing, which is described as another form of Oplocks.. I did install this patch but the corruption continues. https://www.microsoft.com/en-us/download/details.aspx?id=42738

We also ran chkdsk /scan on the two drives that the user files are located. On one of the drives, it did find some errors. "Volume Bitmap is incorrect".  After a reboot, and a rerun, these errors have been cleaned.

Another strange thing we noticed is that both drives that we are having these corruption issues on are being deduped.  (get-dedupvolume |fl ) It clearly shows that both are enabled.  The weird thing is that only one of the drives listings are blue, the other is the default black.  Shouldn't windows explorer list them both in blue? 

We're at a loss on what to do next.. Any suggestions on how to start eliminating possibilities to find the solution?

For the migration, For the most part, we followed these instructions http://blogs.technet.com/b/josebda/archive/2014/11/05/migrating-file-server-from-windows-server-2003-to-windows-server-2012-r2.aspx

 

William McConnell

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DFS shares can be accessed by IBM Aix, HP UX, CentOS

May 21, 2015, 8:26 am
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In our organisation we are planning to implement Microsoft DFS for corporate shares but we have few IBM Aix, HP UX and CentOS servers which also needs to access those DFS shares so before implementing i just want to know can DFS shares be accessed by IBM Aix, HP UX and CentOS
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Can't view DFSR Health Reports in IE 10 or IE11

July 15, 2013, 2:48 pm
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As a part of monitoring our DFSR infrastructure, I generate health reports on a weekly basis and have them emailed to me.  The DFSR reports require IE in order to be viewed.  On top of that, they require IE9.  While I was able to display the page in compatibility view, in IE 10, I'm not unable to do this in IE 11 and I'm left unable to review my reports without using a separate computer.  I posted this hear because it seems about time that the DFSR reports get a refresh and get compatible with the latest browsers.  In the meantime, how would you suggest I go about viewing my reports?
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Failed to connect to WMI and DCOM errors

May 21, 2015, 9:38 am
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Not sure if I'm asking this in the correct place, but here we go.

We monitor dfs replication using a script that runs dfsrdiag, and it has been failing with "Failed to connect to WMI Services on computer %RemoteComputerName%", if you check the System event log, when this fails there is a DCOM error 10028 "DCOM was unable to communicate with the computer %RemoteComputerName% using any of the configured protocols; requested by PID 10c8 (C:\Windows\system32\dsfrdiag.exe)

The computer that the script is running on is a Server 2012 R2 DC/file server. It has no FSMO roles. The far end server is a 2008 R2 file server. Neither server can communicate in this manner with each other. They are able to ping each other (on different sites/subnets), Windows firewalls are disabled and all traffic is permitted across the hardware firewalls in place.

If I reboot the 2012 server, I am able to successfully run the dfsrdiag command for a short period before it starts failing again. Please can someone point me in the right direction to get this fixed, I've not yet found anything that will resolve this issue.

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Strange Bsod. It have error on symEFA64.Sys but when I disable the MSiscsi service then Bsod disappear

May 21, 2015, 10:26 am
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Hi at all,
I have 5 physical servers and after the patch update in May when I rebooted the servers 3 of them do not start and show the BSODwith Stop 0x0000007E (0xffffffffc0000005e .......) and error driver symantec symEFA64.Sys.
After several trials starting in safe mode the servers have begun to function only after disabling the Microsoft MSiSCSI service.
I usethis servicefor iscsi initiator to be able to use the iSCSI disks that I have set up on a NAS and make windows backup of the servers.
If I enable againthe serviceMSiSCSI get back the BSOD with the usual error and signaling the driver SymEFA64.Sys.
On the other 2 server the MSiSCSI service is active and servers work well.
The servers are all in various versions of DELL R720, R710, R410, R420 and a PE840.Operating systems are all win2008r2 and one is a win2012r2.All servers are fully patched and with service pack.The two servers that have not had the BSOD are the R420 with win2012 and PE840 with windows 2008R2.
What do you think?
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Powershell command(s) to replace failed drive in storage pool?

May 21, 2015, 9:16 am
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I have my -RetireMissingPhysicalDisks set to "Always" and my -RepairPolicy set to "Parallel". Does anyone know the command(s) to replace a failed drive in a storage pool or do I even need to issue a command(s) since my -RetireMissingPhysicalDisks is set to "Always"?

Also, is there an Event ID(s) that I can trap for to be alerted when a disk fails in the future?

Thank you!

Ed

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Word, Excel, PDF, DWG, files are not opening from shares path of Windows Server 2008 R2 Standard

May 21, 2015, 11:16 am
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Dear Techies,

Please help me to recover files.  I am unable to open PDF, Word, excel, DWG etc files.

There many folders shared from server but it has affected to my 4 shared folders.

There are some PDF files I can open.  i.e.  out of 20 files 2 to 3 files.

Not able to figure out what exactly causing this issue.

I have done Antivirus scanning, but nothing found.  (From Server as well as from Client --(Mapping share drive)  - )

Please find attached screenshot for more details.

I have gone many of forum, it says ransom virus.  cryptolocker.  Tried with Malware tools and antivirus nothing found and nothing could recover.

Tried recovery softwares also.

There is no option from server to store previous version so tried from client windows 7 machines but there also unable to restore

Copied files to freshly installed machine and with all updated of windows and antivirus tried to recover but not succeeds.

Please help me to diagnose this problem and let me know the solution.

If i check at what time it has affected.  Below is the files screen shot

 

With Regards, Raviraj Nagenhatti - System Administrator

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FSRM Email Settings

May 21, 2015, 8:50 am
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I have been struggling with my email setting in FSRM. I have verified the following:

Exchange Server Settings:

Hub Transport has a Receive Connector defined as follows:

  • Network > All Available IPv4 Address  Port 25
  • File Server IP is in the list of servers to receive mail from
  • Authentication > Externally Secured is selected along  with Transport Layer Security
  • Permission Groups > Anonymous Users and Exchange Servers are checked.

FSRM Settings on File Server:

  • Email notifications-
  • SMTP Server > IP address of my Exchange Server
  • Default email address: my email address
  • Default "From" > FSRM@SERVERNAME.domain

Test emails fail eveytime... 

Any ideas?

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Delete orphaned replication groups

May 21, 2015, 5:31 pm
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I had replication setup between a 2008 R2 server and a 2003 server. The 2003 server crashed and was replaced and is no longer available. When I open DFS management on the 2008 R2 server, the groups (4 of them) still exist. If I right click a group it gives me the option of "Remove Replication Group from Display" but does not allow me to delete the group. The message I get is The replication group cannot be queried. The replication group cannot be found. I would like to delete the groups and then recreate the replication to a different server. How do I delete these old groups? I don't want to just remove them from the viewer. In searching for answers, I have found one or two threads that address the issue, but none of them give an accurate explanation of how to do this. For example, one post said to delete a node in adsiedit, but that node does not exist. If needed, I can uninstall replication from the server and reinstall it, but will that actually delete the groups?

Thanks.

Dale

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read only permissions

May 22, 2015, 12:16 am
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Hi

 I have a shared folder on which i have given "delegatesentitemsstyle" to make sure sent items saved in sent folder,now i gave permissions to the shared folder read only i.e. Reviewer,after giving permissions mails are again moving to personal folder sent items instead of saving in  shared folder.plz help me through this 

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DFS-N Folder replication on select folders in tree

May 22, 2015, 4:26 am
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Hi!

I'm going to deploy DFS-R in my orginization soon. One thing that has come up is the possability to replicate selected folders in the current DFS-N structure. I will try to explain, and hopefully someone can help me answer this ;D


Current Env

OS: Server 2012r2

Server at HQ: S1

Server on remote site: S2


Scenario

On S1 there is a DFS-N setup (\\domain.local\Share1) pointing to \\S1\Share1. This DFS-N is mapped to a drive (G:) on both sites. Deep inside this share we want to replicate one folder (\\S1\Share1\FolderA\FolderB\FolderC) to the S2 server. So that when the remote site mapps (G:) and traverses the folders down to FolderC we want them to access FolderC on the local S2 server.


Is this even possible? If so, how?


Thanks in advance

Daniel

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Clustered Storage Spaces & Fibre Channel

May 22, 2015, 6:54 am
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Guys,

did anybody implement working configuration with Clustered Storage Spaces built from FC disks? With a SIMPLE spanning volume on top (no need to have fault tolerance)? Technically it would be RAID0(Storage Spaces)-over-RAID5(hardware). 

Thanks! :)

Cheers,

Anton Kolomyeytsev [MVP]

StarWind Software Chief Architect

Profile:  Blog:  Twitter:  LinkedIn:  

Note: Posts are provided “AS IS” without warranty of any kind, either expressed or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose.

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Cluster Storage

February 8, 2015, 5:09 pm
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We have three hyper-v host server (windows 2012) in cluster environment. We have SAN which is mounted as cluster-storage on all three server. Hyper-V1 has ownership of the disk.

Recently we increase the disk space on SAN volume and it reflect in the cluster disk but not in the cluster volume. It shows the correct size in the disk management on all servers, but does not show in the cluster-storage.

Please see the attache screenshot to understand more clearly.

Can someone help me how can I resolve this issue?

Thanks


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Diskpart Convert Basic Window Server 2008 R2

October 5, 2011, 7:11 am
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Diskpart offers the option to convert a drive to basic

[I know that this is a destructive process so please don't bother posting this information].

If I try to run the command on a dynamic disk that still contains partitions I get an error from the Virtual Disk Service: "The disk is not empty"

If I select the partition in DiskPart and try to delete it I am told that "The operation is not supported by the object. The specified command or parameters are not supported on this system."

If I delete the partition in Disk Manager, the drive is automatically changed back to basic!

So when can you use the "convert basic" command?

 

ICHC
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Server services not getting started Windows server 2008 R2 with service Pack 1

May 23, 2015, 8:07 am
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The processing of Group Policy failed. Windows could not determine if the user and computer accounts are in the same forest. Ensure the user domain name matches the name of a trusted domain that resides in the same forest as the computer account.

Thanks,

Ashish Bhawalkar

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Can't change Win7 libraries location from Windows Server 2003 server

May 23, 2015, 2:25 pm
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I'm having trouble understanding why I can't change the location of my Windows 7 Pro user libraries.

All of my libraries that matter (My Documents, Downloads, Desktop) are located @

\\server1\users\USER

The Desktop and My Documents libraries are synced with Windows Sync Center and are located @

\\server1\users\USER\My Documents (& Desktop)


On the Windows 7 machine, I can't use the 'move' function normally there. The location field is filled (with locations above) but I can't edit the locations, and there's no move operation.

So, I thought about manually moving them and then changing the registry location of the library, but I'd rather fix whatever permissions problem there is and use the stock libraries tool. I posted here because I can change the library locations for my other libraries (e.g. Contacts or whatever) using the normal Win7 move function found in the Properties of the library.

I inherited this Windows Server 2003 environment and it's on the way out. Trying to get everything off of it before I disconnect--this Win7 machine is last and I am so excited.

What am I missing?
Thanks for any help!

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Server 2012 R2 ODX and max file fragmentations

May 5, 2015, 8:30 am
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I am reviewing Microsoft's ODX documentation.  It states the following:

The Windows host also limits the number of file fragments to 64. If the offload read request consists of more than 64 fragments, Windows fails the copy offload request and falls back to the traditional copy operation.

I have two volumes (S: and T:) on an iSCSI SAN.  I have a test file 960MB.bin on my S:\ drive.  My disk editor shows that this file is comprised of 180 clusters:


I then copy the file from the S:\ volume to the T:\ volume.  During the copy operation, I monitor the traffic going to the iSCSI volumes.  I see 180 back-to-back ODX transfers comprised of the following sequence:

  • Source Volume:  CDB - Populate Token
  • Source Volume:  CDB - Receive ROD Token Information
  • Destination Volume:  CDB - Write Using Token
  • This repeats a total of 180 times until the file copy is complete

So when Microsoft's documentation states that The Windows host also limits the number of file fragments to 64, what is it referring too?  If it's referring to the file fragmentation like I show above, why did ODX engage for me?  Is there a difference between Server 2012 and 2012 R2?  Is there a registry key to adjust this setting?

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DFS-R Endpoint Mapper Issue - Windows Storage Server 2008

May 20, 2015, 8:33 am
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I'm trying to solve a problem with two Windows Storage Server 2008 (Dell Powervault) servers that stopped replicating data about a month ago.

The Organisation has Two Windows Server 2008 Domain Controllers, and Two Storage Servers, in the same site on the same subnet. No hardware/network firewalls exist between these 4 servers, they're connected to the same Switch. On each, the Windows Firewall Service is Running, but firewall Disabled.

The Storage servers both show the DFRS Event 5002 - Error: 1753 (There are no more endpoints available from the endpoint mapper.)

The DC's have no such error and are replicating SYSVOL just fine. Problem only exists on the Storage servers, and most guides/troubleshooting steps I have seen relating to Error 1753 seem to assume it's a DC that has the issue, rather than a member server.

There was only one noted change that occurred at the time this problem started happening; the server had been rebooted overnight to allow Windows Updates to install. No configuration changes were made, so we think that something changed by windows updates caused this, but we don't know how, or which update.

Using rpcdump, I can see that On both the DCs, there is a listening TCP Port for the Frs2 Service;

First DC:

ProtSeq:ncacn_ip_tcp
Endpoint:5722
NetOpt:
Annotation:Frs2 Service
IsListening:YES
StringBinding:ncacn_ip_tcp:xondomain0[5722]
UUID:897e2e5f-93f3-4376-9c9c-fd2277495c27
ComTimeOutValue:RPC_C_BINDING_DEFAULT_TIMEOUT
VersMajor 1  VersMinor 0

Second DC:

ProtSeq:ncacn_ip_tcp
Endpoint:5722
NetOpt:
Annotation:Frs2 Service
IsListening:YES
StringBinding:ncacn_ip_tcp:domain2[5722]
UUID:897e2e5f-93f3-4376-9c9c-fd2277495c27
ComTimeOutValue:RPC_C_BINDING_DEFAULT_TIMEOUT
VersMajor 1  VersMinor 0

But on the Storage servers, which I'm more interested in as it's these that have the Endpoint Mapper problem, there are no such entries when scanned remotely with RPC Dump. No TCP/IP entries. However, Locally on each server if you run RPC Dump, you get more entries including NamedPipe entries, and This:

ProtSeq:ncalrpc
Endpoint:OLE7FE6229479DC4DFB9A4D3F3A64F8
NetOpt:
Annotation:Frs2 Service
IsListening:YES
StringBinding:ncalrpc:storage1[OLE7FE6229479DC4DFB9A4D3F3A64F8]
UUID:897e2e5f-93f3-4376-9c9c-fd2277495c27
ComTimeOutValue:RPC_C_BINDING_DEFAULT_TIMEOUT
VersMajor 1  VersMinor 0

So it seems like the DFS-R Service is not registering a TCP/IP (ncacn_ip_tcp) connection for the Service but It is registering one of type ncalrpc

I have tried;

1. Raising the MaxUserPort value to 65536 in the registry, but as I feared, made no difference. There are and were before, plenty of other services on the Storage Servers that showed up with rpcdump using ncacn_ip_tcp connections with TCP ports in the 45000 range.

2. Verified all the DNS stuff. But it's all correct. The issue isn't that the two servers are talking to the wrong server..there's just nothing (for DFS-R, at least) listening at the other end?

3. Various reboots and restarts of the DFS-R service on both Servers.

I'm really not sure what to try next. K2089874 Seems to suggest it might be an issue with the Application not successfully registering with the RPC Endpoint mapper, but perhaps I am misinterpreting what I see.

This forum post was useful in explaining how to use rpcdump to get the Information about the frs2 service, but only seems to state it should say Listening: Yes, and that Listening: No is bad - On these servers it's not in the list at all...

Can anyone give me some ideas what to try next?


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