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cname
About this tag
The cname tag on WindowsForum.com covers issues related to DNS CNAME alias usage in Windows environments, particularly with SMB file server share access, printer connections, and message delivery. Discussions include scenarios where CNAME aliases cause access failures to file shares or printers, and updates that enable functionality with mismatched aliases. Topics span Windows 7, Windows Server 2008 R2, and later versions, with resolutions involving registry keys or hotfixes. The tag is relevant for IT administrators and users troubleshooting network resource access via CNAME records.
Describes an issue that blocks SMB file server share access to files and other resources through the DNS CNAME alias in some scenarios and successful in other scenarios. Provides a resolution.
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access issues
alias
cname
configuration
dns
file access
file serving
file sharing
microsoft support
network
network alias
network issues
resolution
server configuration
server issues
smb
support article
technical issues
troubleshooting
windows server
Describes an update for Windows 7 and for Windows Server 2008 R2. After you apply this update, you can use the IgnoreOSNameValidation registry key to receive messages by using a mismatched DNS CNAME alias.
Link Removed
Describes an issue in Windows Server 2008 R2 and in Windows 7 in which you cannot connect to a printer by using an alias (CNAME) resource record for a print server or a client that hosts a printer.
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