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Does the NAS have any security or sharing restrictions on it? &nbsp;What type of NAS unit are you using?<br />
<br />
If there is no need for security, then you can usually enable full guest access on the NAS drive - be careful though, this can be dangerous if you have nosey users on the network.<br />
<br />
As previously commented, is the NAS integrated into the Active Directory for SBS? &nbsp;Can you browse and access the NAS via Network / Network Places?
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Operating System: Windows Small Business 2011 Standard<br />
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When I try to do a backup Schedule &quot;Back up to a shared network folder&quot; put the right path and then asks me for username / password (I do not know why it asks me that, if the public access folder), I put the username / password of the NAS administration, but all the way at the end i get the Following error message:<br />
<br />
&quot;the user name being used for accessing the remote share folder is not recognized by the local computer&quot;
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Operating System: Windows Small Business 2011 Standard

When I try to do a backup Schedule "Back up to a shared network folder" put the right path and then asks me for username / password (I do not know why it asks me that, if the public access folder), I put the username / password of the NAS administration, but all the way at the end i get the Following error message:

"the user name being used for accessing the remote share folder is not recognized by the local computer"

Does the NAS have any security or sharing restrictions on it?  What type of NAS unit are you using?

If there is no need for security, then you can usually enable full guest access on the NAS drive - be careful though, this can be dangerous if you have nosey users on the network.

As previously commented, is the NAS integrated into the Active Directory for SBS?  Can you browse and access the NAS via Network / Network Places?

Windows Server Backups

Operating System: Windows Small Business 2011 Standard

When I try to do a backup Schedule &quot;Back up to a shared network folder&quot; put the right path and then asks me for username / password (I do not know why it asks me that, if the public access folder), I put the username / password of the NAS administration, but all the way at the end i get the Following error message:

&quot;the user name being used for accessing the remote share folder is not recognized by the local computer&quot;

The Microsoft Legacy Operating System topic includes legacy versions of Microsoft operating systems prior to Windows 2000: All versions of MS-DOS and other versions developed for specific manufacturers and Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions, and Windows Mobile.

Microsoft Legacy OS

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).