By default, Windows servers do not accept incoming connections to SMB shares using an alias (CNAME) instead of the true DNS hostname. Such connections can result in the client receiving the System error 52 has occurred. A duplicate name exists on the network. error.
To allow servers to accept incoming connections using aliases
Use a registry editing tool to navigate to the following key:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanmanServer\Parameters
Insert or change a value with the following details:
Data Type
WORD
Value NameisableStrictNameChecking
Value:1
Restart the Server service for the change to take effect.
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Registry Settings Summary
Key NameHKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanmanServer\Parameters
Value NameDisableStrictNameChecking
Value TypeREG_DWORD
Value Data0x00000001
[download]
To allow servers to accept incoming connections using aliases
Use a registry editing tool to navigate to the following key:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanmanServer\Parameters
Insert or change a value with the following details:
Data Type
WORDValue Name
isableStrictNameCheckingValue:1
Restart the Server service for the change to take effect.
Sponsored Links
Registry Settings Summary
Key NameHKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanmanServer\Parameters
Value NameDisableStrictNameChecking
Value TypeREG_DWORD
Value Data0x00000001
[download]
