Shared folder becomes inaccessible on Windows Server 2008

15 pts.
Tags:
Network connectivity
Shared folders
Windows Server 2008
The shared folder that is setup on a server 2008 server will for some unknown reason will freeze up on the workstations that have access to this shared folder. There is no consistency as to when this happens and surely as to why this happens. The small network might go for a month and no problems, then the shared folder will not allow the workstations users to access their data. The remedy is for the main staff member in that office to go to the server and restart the server. Some times when checking the log on the switch there a messages on the port that the switch is using and sometimes not. The messages state are very broad and state excessive broadcasts. Which are confusing, because we do not have a topology loop, nic cards are new, cables are new, and the servers are only 7 months old. So, what could cause a shored folder to randomly lock out workstations. Active Directory and Domain Controllers reside on two other servers in the network. Any ideas would be appreciated. 8 GB RAM RAID 0

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I have a few ideas. You didn’t give much information as to the client machines or your environment. But if the drive that the shared folder is on is corrupted this could cause freezes to the clients accessing the drive. Does the freezing happen on the server as well?

Can you check disk manager and let me know the status of the drive in question?

Another possible issue could be a virus or mal-ware file on that drive. What anti virus software do you have installed?

Is it configured to lock out network activity for a period of time if it encounters an infected file like my Macafee 8.5i does?

Can you run a full scan of the drive in question or check your anti virus log files?

What does the event viewer on the system in question say? How about on the client?

With answers to all these questions your problem should be solved or at least put you on the right track for fixing it. Please post the answers to the questions and any other information you have regarding the issue.

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  • carlosdl
    I agree with Karl. We experienced some similar situation a few months ago, and it was caused by a virus.
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  • Grandpa06
    Drive looks okay and I cannot see any problems. Antivirus program is Symantec Endpoint. It is not configured to lock out network activity for a period of time if it encounters an infected file as far as I can tell. I can run a full scan and check the log files and cannot find a virus. The last question, I still have to work on. the server is being used by others and not me. The workstations are in another building and I have to get to them when they are not being used by the other personnel. It is so sporadic, that is confusing and I don't use this drive nor the programs that run on this server. I will keep looking and checking. Thanks for the ideas. It all helps.
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  • Jajjii
    Hey guys, I have tried several times to find the exact reason to why this happens. I have expanded our network and added a Server 2008 which is also running Symantec Endpoint protection. At several times, randomly, users suddenly cannot access shared folders on the server. It starts with one user, and slowly replicates onto all users for different files and folders. Mostly any new connections are the ones that are experience problem from the instance where the first users got locked out. I wrote a section in my blog related to Symantec Endpoint protection and folder freeze here http://blog.ralfelt.com/post/Symantec-Endpoint-Protection-suddenly-(radomly)-blocks-clients-from-accessing-shared-files.aspx This last incident where the folders froze up on the server, I was able to monitor what the user did from the start. The steps were that the user went to the shared folder and executed a setup program for a third party software that we use. This has been done many times in the same fashion without any problems, but this time it took a little longer than expected to run the executable file, so the user killed the program in the task manager. After that, the user could no longer access that specific file. I then tried to access the file from another computer, and it did not allow me the access either. After a couple of tries, I could not even access the shared drive where the file was residing on. In regards to my blog, this time I had Network Threat Protection set to OFF on the server, and still the same problem occured. I have further disabled Auto Protect in the Antivirus and Antispyware Protection to see if this network freeze will occur again. If you have any more details regarding to your system or a specific incident, please let me know.
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  • Jajjii
    Sorry, the link to the blog is http://blog.ralfelt.com/post/Symantec-Endpoint-Protection-suddenly-(radomly)-blocks-clients-from-accessing-shared-files.aspx
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  • Jajjii
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  • SujeshPK
    I am also facing the same issue with 2008 servers, were I have 2 different servers and both of them showing the same issues, once it is restarted I am able to use the shared drives. We are using Symantec 10.2 as AV. The issue is only happening when I am accessing the shared folders from clients, when I am trying to access from the server where the shared folder is hosted it is possible to access
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