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Problem with enabling Round Robin MPIO policy on iSCSI disk

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Hello,

im trying to connect two DELL R640 nodes to DELL ME4 Storage Array via iSCSI using MPIO with Round Robin Policy.
connected to iSCSI via DAS SFP+ ports with 2 paths to Array.
Windows Server 2019 Datacenter build 1809 is instaled at two nodes. Problem Exist on both nodes.

While im trying change MPIO Policy in iSCSI Initiator i get an error:

"The parameter is incorrect. The round robin policy attempts to evenly distribute incoming requests to all processing paths"


While im trying to change MPIO Policy via Disk Management, Round Robin Policy doesnt exist

Greetings,

Patrick



iSCSI not initially reconnecting after reboot.

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Running server 2016.

I have an ISCSI target that this server connects to. After a reboot, the drives do not automatically reconnect. If I disconnect them in ISCSI then reconnect, they appear fine.

When the system comes up the iSCSI init properties Target tab says it is connected. The Volumes and Devices tab has 2 long strings that should be G:\ and H:\. I click Auto Configure and the strings go away. After I disconnect and reconnect, the drives show correctly in the Volumes and Devices tab.

I cannot find anything in the event viewer that would point to what could cause this issue but I could be looking in the wrong place too.

Any suggestions?

Thanks

Charles

> 1 TB of disk space taken up by unknown file(s)?

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Hi!

I'm on Windows Server 2012 R2, and I recently found that my 2TB C:\ was running out of disk space, which was really surprising.

So I used TreeSize to find out what was taking up all the space, but still it only shows that all the files take up only about 303GB of space. Where did the remaining 1.5 TB go to?

VSS error 8193

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I am getting three VSS errors when WS2008 backup executes.  I have no idea where to begin to look for the problem.
The error (Event 8193) is:
Volume Shadow Copy Service error: Unexpected error calling routine ConvertStringSidToSid.  hr = 0x80070539.

Operation:
   OnIdentify event
   Gathering Writer Data

Context:
   Execution Context: Shadow Copy Optimization Writer
   Writer Class Id: {4dc3bdd4-ab48-4d07-adb0-3bee2926fd7f}
   Writer Name: Shadow Copy Optimization Writer
   Writer Instance ID: {b7e9a7ca-db70-47c8-922b-0fa15f064b10}

The other two are duplications of this error.
Can anyone help me find a solution to this error?
Here is a snapshot of the Application Events when the backup executes.

Information    12/16/2008 2:27:58 AM    VSS    8224    None
Information    12/16/2008 2:25:00 AM    Backup    754    None
Error    12/16/2008 2:24:55 AM    VSS    8193    None
Information    12/16/2008 2:00:23 AM    ESENT    103    General
Information    12/16/2008 2:00:23 AM    ESENT    302    Logging/Recovery
Information    12/16/2008 2:00:22 AM    ESENT    301    Logging/Recovery
Information    12/16/2008 2:00:21 AM    ESENT    300    Logging/Recovery
Information    12/16/2008 2:00:20 AM    ESENT    102    General
Information    12/16/2008 2:00:17 AM    ESENT    2006    ShadowCopy
Information    12/16/2008 2:00:17 AM    ESENT    2003    ShadowCopy
Information    12/16/2008 2:00:17 AM    ESENT    2006    ShadowCopy
Information    12/16/2008 2:00:17 AM    ESENT    2006    ShadowCopy
Information    12/16/2008 2:00:17 AM    ESENT    2003    ShadowCopy
Information    12/16/2008 2:00:17 AM    ESENT    2003    ShadowCopy
Information    12/16/2008 2:00:15 AM    ESENT    2001    ShadowCopy
Information    12/16/2008 2:00:15 AM    ESENT    2001    ShadowCopy
Information    12/16/2008 2:00:15 AM    ESENT    2001    ShadowCopy
Information    12/16/2008 2:00:15 AM    ESENT    2001    ShadowCopy
Information    12/16/2008 2:00:15 AM    ESENT    2005    ShadowCopy
Information    12/16/2008 2:00:15 AM    ESENT    2005    ShadowCopy
Information    12/16/2008 2:00:15 AM    ESENT    2005    ShadowCopy
Error    12/16/2008 2:00:11 AM    VSS    8193    None
Error    12/16/2008 2:00:10 AM    VSS    8193    None
Information    12/16/2008 2:00:00 AM    Backup    753    None

Storage Replica - Optimal Network Configuration

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I have 4 Windows 2019 virtual servers running in VMWare and on a single domain.  (2 in one site and 2 in another geographical site).  Everything has been replicating fine.  I currently have 1 VMXNET network card configured on each host and everything is replicating fine but I want to optimize this configuration prior to putting it into production.  I have several VLAN options at my disposal but I'm not sure what the optimal number of NICs are.  

Thanks.

File Servers running very slow

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Hi,

We have two file severs and both of them are part of a cluster.

Both server have 10 core cpu with 12GB RAM, Running Server 2012 R2.

We keep getting call from user to say that they cant access any of the shares from this file cluster but when we switch the server from 1 to 2 it works fine until next day we get same issue again.

  • Is they any way I can check to see what is causing this issue?
  • Why is this happening on the file servers?
  • Is they any logs I can view to get the information on what is causing the issue?

we have around 400 user who might be connected to these two servers.

Active node always using around 80-90% cpu memory is around 60-70%


Workfolder client on Server 2019

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Good day

We are in the process of configuring 6 new load balanced Terminal servers in a new datacenter environment.

We have build a NEW domain, therefor a new active directory.

Our users are used to using workfolders across their existing devices and i would like to configure workfolders for them on their terminal sessions on the new environment. I cannot seem to find the workfolders client on their terminal server sessions, but after research, ive found that there is no client for terminal users using server 2019 datacenter. 

therefor i have two questions

1.) How can i get workfolders to work on server 2019?

2.1) How can i generate those workfolders folders without having users needing to log into a machine that has the profile.

2.2) Is there some sort of script or process i can run to create about 800 user workfolders?

Regards

Corné 

Get-PhysicalDisk shows multiple disk with same friendly name which are not even attached [in this case EC2 instance and EBS attached] volumes.

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Get-PhysicalDisk shows multiple disk with same friendly name which are not even attached [in this case EC2 instance and EBS attached] volumes.

The disk explorer, diskmgmt.msc , get-disk  and get-physicaldisk output shows correct output. I am suspecting these are lingering metadata but is there a way we can remove the stale records. 

There is a SCOM alert related that fires up "Windows Storport Miniport Driver has timed out a request" for the same server. 

Let me know if this is a know issues and any fix are welcome

Thanks

Roushan


Server 2019 File Server Resource Manager error generating csv report

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Hello...
Trying to generate File Server Resource Manager storage reports in CSV format in on a Server 2019 Datacenter instance fails with the message "Error generating report job with the task name 'StorageReport-QuotaOnDemand'."

Event Viewer shows it throwing two errors with eventIDs:

602 with source SRMREPORTS
Error generating report job with the task name 'StorageReport-QuotaOnDemand'.
Context:
 - Exception encountered = Exception from HRESULT: 0x80131942

8242 with source SMRSVC
Reporting or classification consumer 'StorageReport-QuotaOnDemand' has failed.

If I select Report format as DHTML, HTML, XML, or TXT it works.
It's just the CSV format that's failing.

The same report configuration also worked under Server 2012r2.

Anyone else run into this?

failover cluster environment with dedicated disks instead of shared disks

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Hey guys,

I'm in a bit of a pickle with something. Because of reasons we are scripting our own powershell module with which we can do all lun-management on our servers instead of using snapdrive for windows (not supported anymore on windows server 2019). (using the data ontap powershell toolkit for this). used protocol is iSCSI

I have run into a problem when this module is used in a clustered environment (for use with Availability groups). When we use the scripted module to create luns on storage level and then initialize them on the server, basically they get seen as shared for some reason. The thing is, in this scenario we don't need them to be shared. It's ok for these servers to have their own dedicated storage.

Because they are put to be shared, we run into the problem that disks which we create after the cluster is made, won't automatically be put online after a rebout because of the san policy. 

https://support.microsoft.com/en-us/help/2849097/how-to-set-the-partmgr-attributes-registry-value-using-powershell

So there is a number of things which i can do: 

-I can bypass the problem apparantly by just adding all the storage (luns) first and then forming the cluster. (disks which are added before don't have the issue)

-Maybe changing the san policy on the servers in question(in clustered environments they do say you should leave it on sharedoffline

-or maybe tweak the disks somehow maybe

Is there someone who knows how i can check if a disk is shared or not (preferably by using PS)?Maybe how i can tweak it too? What would your recommondations be?

thanks in advance guys!


Windows Server 2019 Virtual Machine SMB Performance problems

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Hello,

We're seeing a very odd issue. I've just setup a new 2019 Standard file share using a 2019 Standard VM. The issue we're experiencing is very specific. The issue is that all file transfers FROM the server share to a Windows 7 Professional, domain attached PC are excessively slow compared to any other OS.

I've tried simply copying files and seen between 15MB/s and 20MB/s transfers from the server to the Windows 7 client. I've tried copying files directly to the server from the client workstation and have gotten between 90MB/s and 100MB/s. From any other client OS, Windows Server 2003, Windows Server 2008 R2, Windows Server 2012 R2, Windows 10 with varying OS revisions, this problem is non-existent.

I have tried every fix I could find online from updating network card drivers to applying registry changes. None have made a difference. This issue is specific to Windows Server 2019 running as a VM copying files to Windows 7 Professional, both OS's are fully patched. I have even attempted booting both OS's to safe mode with networking, same results. I have uninstalled all Antivirus software, same results, I have checked physical networking hardware, same results.

Just looking to see if anyone has an idea I haven't tried yet because for the moment, stepping up the migration to Windows 10 is the only foreseeable fix.

Set-PhysicalDisk -MediaType XXXX -UniqueId abcdefgh --- Reverts after restart.

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Hey All,

In an attempt to change the media type of my different VHDs, I'm making this change within the VM.

Set-PhysicalDisk -MediaType HDD -UniqueId 6xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxA
Set-PhysicalDisk -MediaType SCM -UniqueId 6xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxF
Set-PhysicalDisk -MediaType SSD -UniqueId 6xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx4

But after a restart its all lost and MediaType is switched back to Unspecified.

Any advise to keep this in place.

Thanks


yup

SRTopology test failing on volume size

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Getting ready to set up replication from one server to another.  When running the SRTopology test, it fails with a volume size not being the same error.   I can't figure out how to fix it.  Everything I've looked at, the drives are identical.

Server 1

Number LogicalSectorSize PhysicalSectorSize           Size
------ ----------------- ------------------           ----
     1               512                512 54975581388800

Server 2

Number LogicalSectorSize PhysicalSectorSize           Size
------ ----------------- ------------------           ----
     1               512                512 54975581388800

Allocation units used for formatting are the same..

This is on a server 2019 set of boxes.

Volume Availability Test: Volume J: exists on msfs01  
 Volume Availability Test: Volume Y: exists on msfs01  
 Volume Availability Test: Volume J: exists on msfs02  
 Volume Availability Test: Volume Y: exists on msfs02  
 Partition Style Test: Partition J: on msfs01 is a GPT-style partition  
 Partition Style Test: Partition Y: on msfs01 is a GPT-style partition  
 Partition Style Test: Partition J: on msfs02 is a GPT-style partition  
 Partition Style Test: Partition Y: on msfs02 is a GPT-style partition  
 Volume Size Test: Volume J: on msfs01 and J: on msfs02 are not the same size. Storage Replica cannot be configured to replicate unidentical volumes  
 File System Test: File system on volume Y: on msfs01 is NTFS  
 File System Test: File system on volume Y: on msfs02 is NTFS  
 Disk Sector Size Test: Sector size of the volume J: on msfs01 and J: on msfs02 is identical  
 Log Disk Sector Size Test: Sector size of the volume Y: on msfs01 and Y: on msfs02 is identical  
 Log Volume Free Disk Space Test: The log volume Y: in msfs01 has enough free space to hold the recommended log volume size of 8GB  
 Log Volume Free Disk Space Test: The log volume Y: in msfs02 has enough free space to hold the recommended log volume size of 8GB  
 Remote Server Management Test: Target server msfs02 can be managed remotely using WMI  
 SMB Connectivity Test: Firewalls are configured to allow SMB protocol traffic to and from msfs02  
 Network Latency Test: The roundtrip average latency between the source server msfs01 and target server msfs02 is within the recommended latency threshold of 5 milliseconds  
 Physical Memory Requirement Test: msfs01 meets the physical memory requirement to deploy Storage Replica  
 Physical Memory Requirement Test: msfs02 meets the physical memory requirement to deploy Storage Replica  

Non deleteable folder within deleteable directory

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I am attempting to set up a folder that is read only for general employees, but in a directory that they can create and delete folders. No matter what special permissions I assign, as long as the Delete subfolders special permission is checked in the parent directory, an employee account can delete this non deleteable folder. I have even tried explicitly denying a user all permissions but read, and they were still able to delete the folder. 

Is there a way to get around the Delete subfolders permission? If I don't have it checked then employees can not delete any folders or files they make, but if I do have it checked they are able to delete the folder regardless of what permissions I have on that folder. 

Thanks

Modifying the Access assistance e-mail sent to folder owner.

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Good Morning,

Is it possible to customize the e-mail that is sent to the Folder owner when a user requests access to a folder?

We’re trying to reduce the verbiage in the default notification and have it be a simple:

==Email Start==

SUBJECT: User ‘X’ is requesting access to “PATH”

BODY:

“Justification: “USER JUSTIFICATION”

Do you approve? (please specify access level [full control, read only].

==Email End==

Any help or guidance will be very much appreciated.

Thank you.



FSRM shows file screen alert coming from NT AUTHORITY\System

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Hi,

We have DFS file server in our environment configured with File Screen using File Server Resource Manager (FSRM). We have set email notification to send email to us in case user violates the file screen rule which disallow users to save certain file types (e.g .exe, .mp3, .avi, etc) on the root drive (C:\, D:\, E:\, etc). However the problem is we receive email alert from FSRM saying "user NT AUTHORITY\System attempted to save <filename> to D:\ on the <file server name>. This file is in the "Backup Files" file group, which is not permitted on the server."

Our expectation is FSRM should said user <user id/username> attempted to save file on the D:\ drive, not user NT Authority\System. Do you guys have any experience in this? If yes, can share what is the cause of this problem and ways to resolve it. We have played around modifying the email template but still it doesn't work.

Always Available Offline Missing in windows server 2016

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According to the Microsoft Support article(974603 How to configure FTP for IIS in a Windows Server failover cluster),I select enable Offline Files in Sync Center and run the following command at an elevated cmd prompt:

 REG ADD "HKLM\System\CurrentControlSet\Services\CSC\Parameters" /v ReadOnlyCache /t REG_DWORD /d 1 /f.

Then,I restart the  computer.But when I right-click the share that contains the IIS shared configuration, and there is no Always Available Offline option in node 1 computer and node 2 computer.Any ideas as to what would cause this and/or how to fix? 

Thanks in advance.

Restrict shared folder

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Hi all,

We want to share a folder on a windows server 2019 (server named "ws1"). Shared file: \\ws1\folder

We want to access via producion servers ("ws2" and "ws3"), but not on the staging server ("ws4"). The users that use production and staging are the same users.

How can we deny the access of the "ws4" to the shared folder on "ws1"?

We try with AD security groups, but windows doesn apply computer rights over NFTS.

Thanks for your help.


Gerardo,

How to simplify procedure of mounting network drives for iMac

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Hello, need some advice - we have some iMac's and need to integrate them into AD - is it possible? At least Mac users should have possibility to mount network drives using their credentials. Of course, I can use 'smb://server.domain.local/share' command and mount this network folder but it will disappear after every iMac's restart. Is there some software for this task? Thank you.

ISCSI Initiator will not open on server 2016

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Currently we are using ISCSI initiator on server 2016 Datacenter to connect to 2 dell Equallogic storage arrays for our Hyper-V setup.  All of a sudden over the last couple weeks the iscsi initiator will not launch or open on one of the 2 host servers.  we can migrate servers back and forth between host's but the initiator doesn't want to open at all.  We have a new Storage array we are wanting to add to the mix but can't continue until we figure out why the initiator is not opening or functioning correctly?  Any help is appreciated!

Michael Duhon

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