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Slow writing speed to Windows Server 2012

Dropped packets, on recieve only, Server 2008 only, and network speed is 100mb/sHyper-v guest network priorityAccessing Windows file share with many small files very slow over D-Link DES-1024 R+ switchSlow Upload to IIS ServerNetwork traffic being automatically balanced instead of only through one interfaceSlow local area network speedGroup Policy: Mapped Drives failing to load, Windows Server 2012 Active Directory and Windows Pro 10Windows Server slow down and CPU speedcontrol internet speed windows server 2012 r2DNS server cannot resolve addresses itself

0

I have a problem with slow writing speed via mapped network drive (samba) on Windows Server 2012R2.

I'll describe my network and tests below:

I have two computers both running W8.1 (Desktop and Notebook) with one 1gb/s NIC,

then ESXi 6 Update 2 running two VM's (WS 2012 and debian).

Both VM's are located on SSD in the same storage, both have one Virtual NIC - VMXNET3 (same Port group (two physical 1gb/s NICs in one vSwitch)).

WS2012 is not in AD.

Folders to share:

W8.1 Desktop - "share"

WS 2012 - "sharing"

debian - "test"

I did a few test by copying a single file (~700MB), everytime with different file, so it wouldn't be somehow compromised tests:)

Here are the results, speeds of transfer were very constant:

Windows 8.1 Desktop (uploading) > WS 2012 = ~33MB/s (downloading)

Windows 8.1 notebook (uploading) > WS 2012 = ~33MB/s (downloading)

debian (uploading) > WS 2012 (downloading) = 123MB/s (I mapped folder "test" in windows and downloaded the file)

Windows 8.1 Desktop (uploading) > debian = 113MB/s (downloading)

Windows 8.1 Desktop (uploading) > Windows 8.1 notebook = 113MB/s (downloading)

Windows 8.1 notebook (uploading) > Windows 8.1 desktop = 113MB/s (downloading)

WS 2012 (uploading) > debian = 120MB/s (downloading)

WS 2012 (uploading) > Windows 8.1 Desktop = 111MB/s (downloading)

---

I will be glad, if anybody helps:)

I've found many similar guestions, but I did not find the solution:(

Thanks

Leo

windows-server-2012-r2 samba network-share

share|improve this question

asked Jun 22 '16 at 13:54

Leo VenturaLeo Ventura

11

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What is the total/available memory of the 2012 R2 server?
  
  – Greg Askew
  Jun 22 '16 at 14:15
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hello, thanks for your question, I had 2GB, I increased to 4GB, and nothing changed. In the Task Manager it shows 1,3GB all the time. Leo
  
  – Leo Ventura
  Jun 22 '16 at 19:07
  
  
  

  
  
  
  

add a comment | 

0

I have a problem with slow writing speed via mapped network drive (samba) on Windows Server 2012R2.

I'll describe my network and tests below:

I have two computers both running W8.1 (Desktop and Notebook) with one 1gb/s NIC,

then ESXi 6 Update 2 running two VM's (WS 2012 and debian).

Both VM's are located on SSD in the same storage, both have one Virtual NIC - VMXNET3 (same Port group (two physical 1gb/s NICs in one vSwitch)).

WS2012 is not in AD.

Folders to share:

W8.1 Desktop - "share"

WS 2012 - "sharing"

debian - "test"

I did a few test by copying a single file (~700MB), everytime with different file, so it wouldn't be somehow compromised tests:)

Here are the results, speeds of transfer were very constant:

Windows 8.1 Desktop (uploading) > WS 2012 = ~33MB/s (downloading)

Windows 8.1 notebook (uploading) > WS 2012 = ~33MB/s (downloading)

debian (uploading) > WS 2012 (downloading) = 123MB/s (I mapped folder "test" in windows and downloaded the file)

Windows 8.1 Desktop (uploading) > debian = 113MB/s (downloading)

Windows 8.1 Desktop (uploading) > Windows 8.1 notebook = 113MB/s (downloading)

Windows 8.1 notebook (uploading) > Windows 8.1 desktop = 113MB/s (downloading)

WS 2012 (uploading) > debian = 120MB/s (downloading)

WS 2012 (uploading) > Windows 8.1 Desktop = 111MB/s (downloading)

---

I will be glad, if anybody helps:)

I've found many similar guestions, but I did not find the solution:(

Thanks

Leo

windows-server-2012-r2 samba network-share

share|improve this question

asked Jun 22 '16 at 13:54

Leo VenturaLeo Ventura

11

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What is the total/available memory of the 2012 R2 server?
  
  – Greg Askew
  Jun 22 '16 at 14:15
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hello, thanks for your question, I had 2GB, I increased to 4GB, and nothing changed. In the Task Manager it shows 1,3GB all the time. Leo
  
  – Leo Ventura
  Jun 22 '16 at 19:07
  
  
  

  
  
  
  

add a comment | 

I have a problem with slow writing speed via mapped network drive (samba) on Windows Server 2012R2.

I'll describe my network and tests below:

I have two computers both running W8.1 (Desktop and Notebook) with one 1gb/s NIC,

then ESXi 6 Update 2 running two VM's (WS 2012 and debian).

Both VM's are located on SSD in the same storage, both have one Virtual NIC - VMXNET3 (same Port group (two physical 1gb/s NICs in one vSwitch)).

WS2012 is not in AD.

Folders to share:

W8.1 Desktop - "share"

WS 2012 - "sharing"

debian - "test"

I did a few test by copying a single file (~700MB), everytime with different file, so it wouldn't be somehow compromised tests:)

Here are the results, speeds of transfer were very constant:

Windows 8.1 Desktop (uploading) > WS 2012 = ~33MB/s (downloading)

Windows 8.1 notebook (uploading) > WS 2012 = ~33MB/s (downloading)

debian (uploading) > WS 2012 (downloading) = 123MB/s (I mapped folder "test" in windows and downloaded the file)

Windows 8.1 Desktop (uploading) > debian = 113MB/s (downloading)

Windows 8.1 Desktop (uploading) > Windows 8.1 notebook = 113MB/s (downloading)

Windows 8.1 notebook (uploading) > Windows 8.1 desktop = 113MB/s (downloading)

WS 2012 (uploading) > debian = 120MB/s (downloading)

WS 2012 (uploading) > Windows 8.1 Desktop = 111MB/s (downloading)

---

I will be glad, if anybody helps:)

I've found many similar guestions, but I did not find the solution:(

Thanks

Leo

windows-server-2012-r2 samba network-share

share|improve this question

asked Jun 22 '16 at 13:54

Leo VenturaLeo Ventura

11

share|improve this question

asked Jun 22 '16 at 13:54

Leo VenturaLeo Ventura

11

share|improve this question

asked Jun 22 '16 at 13:54

Leo VenturaLeo Ventura

11

asked Jun 22 '16 at 13:54

Leo VenturaLeo Ventura

11

asked Jun 22 '16 at 13:54

Leo VenturaLeo Ventura

11

2 Answers
2

active

oldest

votes

0

so I found the problem:)
in Vipre Firewall - Intrusion Detection Systems(IDS), if it's on then is it really slow connection, after shutting it down, speed increased to 100+MB/s.

Leo

share|improve this answer

answered Jun 25 '16 at 7:23

Leo VenturaLeo Ventura

11

add a comment | 

0

thank.

I saw this article and solved it.

You have disabled network intrusion prevention in your antivirus software.

I want someone else to refer to it.

share

answered 2 mins ago

sang-hun leesang-hun lee

1

New contributor

sang-hun lee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

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0

so I found the problem:)
in Vipre Firewall - Intrusion Detection Systems(IDS), if it's on then is it really slow connection, after shutting it down, speed increased to 100+MB/s.

Leo

share|improve this answer

answered Jun 25 '16 at 7:23

Leo VenturaLeo Ventura

11

add a comment | 

0

so I found the problem:)
in Vipre Firewall - Intrusion Detection Systems(IDS), if it's on then is it really slow connection, after shutting it down, speed increased to 100+MB/s.

Leo

share|improve this answer

answered Jun 25 '16 at 7:23

Leo VenturaLeo Ventura

11

add a comment | 

so I found the problem:)
in Vipre Firewall - Intrusion Detection Systems(IDS), if it's on then is it really slow connection, after shutting it down, speed increased to 100+MB/s.

Leo

share|improve this answer

answered Jun 25 '16 at 7:23

Leo VenturaLeo Ventura

11

share|improve this answer

answered Jun 25 '16 at 7:23

Leo VenturaLeo Ventura

11

answered Jun 25 '16 at 7:23

Leo VenturaLeo Ventura

11

answered Jun 25 '16 at 7:23

Leo VenturaLeo Ventura

11

0

thank.

I saw this article and solved it.

You have disabled network intrusion prevention in your antivirus software.

I want someone else to refer to it.

share

answered 2 mins ago

sang-hun leesang-hun lee

1

New contributor

sang-hun lee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

0

thank.

I saw this article and solved it.

You have disabled network intrusion prevention in your antivirus software.

I want someone else to refer to it.

share

answered 2 mins ago

sang-hun leesang-hun lee

1

New contributor

sang-hun lee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

thank.

I saw this article and solved it.

You have disabled network intrusion prevention in your antivirus software.

I want someone else to refer to it.

share

answered 2 mins ago

sang-hun leesang-hun lee

1

New contributor

sang-hun lee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share

answered 2 mins ago

sang-hun leesang-hun lee

1

New contributor

sang-hun lee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 2 mins ago

sang-hun leesang-hun lee

1

New contributor

sang-hun lee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 2 mins ago

sang-hun leesang-hun lee

1