Smb2 windows 7 slow

This problem generally occurs on a WAN connection. This is common and typically is caused by the manner in which Office apps Microsoft Excel, in particular access and read data. We recommend that you make sure that the Office and SMB binaries are up-to-date, and then test by having leasing disabled on the SMB server.

To do this, follow these steps:. After you set this registry key, SMB2 leases are no longer granted, but oplocks are still available. This setting is used primarily for troubleshooting. Restart the file server or restart the Server service.

To restart the service, run the following commands:. To avoid this issue, you can also replicate the file to a local file server. For more information, see aving Office documents to a network server is slow when using EFS. Skip to main content. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request.

The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:. If you do not see your language, it is because a hotfix is not available for that language. For more information about how to obtain a Windows 7 or Windows Server R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:.

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time DST bias. Additionally, the dates and the times may change when you perform certain operations on the files. Then the deviation starts. Current Visibility: Visible to all users. Hi Willem, Have you got any updates on your case?

We have a similar issue. Hello Willem, I could not respond directly to your response because there is a character limit on that type of message which I exceeded so I am responding via a new "answer". If you have a copy of Microsoft Message Analyzer then that would be the best tool to use. Here they are: fileinfo! Comment Show 0. Hi Gary, this is awesome! I've been trying to get a similar trace myself, not having much experience with ETW. Thanks again! Uninstalling it immediately fixed it, and all is well with the world.

Related Questions. The problem was an inability of any "Windows 7" system to be able to Map a drive letter to a shared folder on a "Server R2" system. I ran across this post tonight looking at a different situation and it brought back memories of trying to figure out exactly why the problem would occur as it did and be caused by the USER's side ISP blocking only the tcp-half of that one port.

As far as we could determine with any tests, that was the only thing that made sense when we considered that the same Windows 7 system had NO problem mapping a network drive to the exact same shared folder on the exact same Windows Server with the exact same hardware if they used a different ISP at the User end, At the Server end we tried using both T1 and Cable connections for the servers but neither one helped in the least.

While if the User went to another location at their end, the problem went away. They were able to connect and map to any folder they had access to.

When we eventually discovered that all the Users with this problems were all using the Same "brand" of Cable Internet and ALSO learned that this ISP had a Posted Policy in place to block TCP on port and since port is required for the SMB service for use in mapping drive letters to a shared folder, it led us to what seemed to be the obvious conclusion that this had to be the reason.

I remember that in the beginning there was also some question about whether one of the Oldest Servers that ran on Server Might NOT be as much of a problem but that server was already scheduled to be replaced in a short time.

The problem still persists to this day and has forced us to use CLOUD storage when it is an extremely poor substitute to a well-configured and mapped network drive used on a secure VPN from a remote location, The loss of speed and performance is so dramatic as to almost make the "Cloud Option" worthless if it were not that it is the ONLY other option.

Either that, or nothing. It seemed we were going backward with the OLD way providing a Much better performance ratio. Over the years since, while I have never been able to find another reason, this still struck me as extremely odd since all the advances in network technology seemed to be providing ever greater speeds and performance for almost very application from cellular phones to new Wi-Fi protocols.

Yet there was never any mention by anyone as to why our company's servers seemed to be going in the exact opposite direction even though I had broached the subject on every Forum from Microsoft to several here on SpiceWorks. No one can argue with a straight face that any CLOUD connection can provide a faster data stream than a direct Server-to-User VPN tunnel with mapping to a shared folder, My own Internet provider for better or worse never has instituted this odd one-way block on port And whether than matters or not in the end, if I am at home I can connect to the Office servers over my normal vpn at speeds rivaling my external USB connected hard drive.

And every time they did, I already knew the "fix" was to use the "Cloud Option" even though no one was happy with the results. I had not ever looked at that and am still not sure if it would give me a way to Prove anything, much less provide a true working solution that would allow us to go back to the speed and reliability we always had before,. And Maybe much more using the new AC band wifi and full Gigabit wired network infrastructure.

At this point, I am going to hope someone happens to read this post that can provide me any kind of insight as to whether or not this is even a "MAYBE". I don't want to waste a lot of time looking at something that cannot be dine anyway. Thanks to anyone for any insight on this issue.