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Windows Server 2012 / Error 0x80090006: Invalid Signiture

Hi All,

Upon copying large files [1GB +] from the server 2012 file server to windows 7 [32 and 64bit machines], I get an error client side -

Error 0x800900006: Invalid Signiture

This is happening on two sites.  FYI - both are server 2012, ESXi 5.1

Please do not mention Symantec AV software !  It is the only reoccurring fix on Google.  I have disabled, configured exceptions, and completely uninstalled AVG2012 on the client.  I can copy the file from D: to C: without issue on the server.

Please help.
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moo_c_o_w
Asked:
moo_c_o_w
1 Solution
 
Hassan BesherCommented:
make sure the destination hard drive is formatted as NTFS.
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Zephyr ICTCloud ArchitectCommented:
You could try to disable 'Large Send Offload V2 (IPv4)' as well as 'Large Send Offload V2 (IPv6)' on the Windows 7 client (when and if these settings are available).

[edit] Question, are these both virtual machines? If so, what network cards are they using?
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Paul SolovyovskyCommented:
Check this MS KB, it's a know issue

http://support.microsoft.com/kb/2686098

To work around this problem, use either of the following methods.

    Require signing on the third-party file server

    To require signing on the SMB client or the SMB server, turn on the "RequireSecuritySignature" setting. See your vendor’s documentation for instructions to set the signing setting to "required" on the vendor’s SMB server.

    You can enable signing by using PowerShell on a Windows Server 2012 or Windows 8 client. To do this, run the following command:

    Set-SmbClientConfiguration -RequireSecuritySignature $true

    Disable "Secure Negotiate" on the client

    You can disable the Secure Negotiate option by using PowerShell on a Windows Server 2012 or Windows 8 client. To do this, run the following command:

    Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters"
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moo_c_o_wAuthor Commented:
Hi.  Thanks all for prompt replies.

paulsolov - I saw that article.  An update to this issue - The error occurred on site 2 attempting to copy a 347mb file.  However, on the third time it was successful !  Any thoughts ?  It should consistently fail if that was the issue ?

spravtek - this is happening on physical workstations.  I will try your suggestions.

Given that they are both DC's, I have to be a little cautious.
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moo_c_o_wAuthor Commented:
UPDATE -

paulsolov - this didn't work.  signature error still occurred.

spravtek - disabling large send offload ipv4 and 6 didn't work.
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Zephyr ICTCloud ArchitectCommented:
So the Windows 2012 is a VM right? What NIC is this VM using?
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moo_c_o_wAuthor Commented:
for all out there... spravtek solution worked.  The NIC config didn't take initially.  After rebooting I checked and offload was still disabled.

Thanks spravtek.  Funny thing is, I've had this before but just couldn't remember the solution.  Both sites now resolved.
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moo_c_o_wAuthor Commented:
UPDATE - I believe a server reboot is REQUIRED for completeness for any NIC changes.  If not, the DHCP server will fail.  This happened on 2x sites after offload disabled.  Also, simply stopping / starting the DHCP server resolved the issue if unable to reboot server.

Thanks again spravtek.
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Zephyr ICTCloud ArchitectCommented:
You're welcome, thanks for letting us know the outcome!!
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