<div class="content"><p> </p><p>The BaseRegSaveKey method is called by the client. In
response, the server saves the specified key, subkeys, and <span><a href="261b039d-95d9-4749-9680-db1851d03945#gt_7bc13a0c-ca1a-4c78-b1bf-67e243f778bb" data-linktype="relative-path">values</a></span>
to a new file.</p><dl>
<dd>
<div><pre> error_status_t BaseRegSaveKey(
   [in] RPC_HKEY hKey,
   [in] PRRP_UNICODE_STRING lpFile,
   [in, unique] PRPC_SECURITY_ATTRIBUTES pSecurityAttributes
 );
</pre></div>
</dd></dl><p><b>hKey: </b>A handle to a key that MUST have been
opened previously by using one of the open methods that are specified in
section <span><a href="053e8515-dbae-47ea-a7c6-6dc054e3a48f" data-linktype="relative-path">3.1.5</a></span>: <span><a href="956a3052-6580-43ee-91aa-aaf61726149b" data-linktype="relative-path">OpenClassesRoot</a></span>,
<span><a href="ec140ed9-4d00-4c03-a15c-c7245a497ed5" data-linktype="relative-path">OpenCurrentUser</a></span>,
<span><a href="6cef29ae-21ba-423f-9158-05145ac80a5b" data-linktype="relative-path">OpenLocalMachine</a></span>,
<span><a href="7b514c63-6cad-4fe1-9780-743959e377e6" data-linktype="relative-path">OpenPerformanceData</a></span>,
<span><a href="694e57f4-da3e-4285-8b71-3181d71d6cd1" data-linktype="relative-path">OpenUsers</a></span>,
<span><a href="c7186ae2-1c82-45e9-933b-97d9873657e8" data-linktype="relative-path">BaseRegCreateKey</a></span>,
<span><a href="8cb48f55-19e1-4ea2-8d76-dd0f6934f0d9" data-linktype="relative-path">BaseRegOpenKey</a></span>,
<span><a href="160767d7-83cf-4718-a4f3-d864faee3bb1" data-linktype="relative-path">OpenCurrentConfig</a></span>,
<span><a href="44954f6d-ef2c-4ec1-a27d-32b9b87e3c8a" data-linktype="relative-path">OpenPerformanceText</a></span>,
<span><a href="3626fa8a-b20f-4243-bf85-cdb615ed2ca0" data-linktype="relative-path">OpenPerformanceNlsText</a></span>.</p><p><b>lpFile: </b>A pointer to an <span><a href="c0c90f11-a4c4-496a-ac09-8a8a3697ceef" data-linktype="relative-path">RRP_UNICODE_STRING</a></span>
structure that contains the name of the <span><a href="261b039d-95d9-4749-9680-db1851d03945#gt_2d67ea57-10e6-422f-985e-694834945a02" data-linktype="relative-path">registry</a></span> file in
which the specified key and subkeys are to be saved. The format of the file name
SHOULD<a id="Appendix_A_Target_26"></a><a aria-label="Product behavior note 26" href="85f43046-e27d-4122-93ba-bc278f986fbe#Appendix_A_26" data-linktype="relative-path">&lt;26&gt;</a> be implementation-specific.</p><p><b>pSecurityAttributes: </b>A pointer to an <span><a href="bc37b8cf-8c94-4804-ad53-0aaf5eaf0ecb" data-linktype="relative-path">RPC_SECURITY_ATTRIBUTES</a></span>
structure.</p><p><b>Return Values: </b>The method returns 0
(ERROR_SUCCESS) to indicate success; otherwise, it returns a nonzero error
code, as specified in either <span><a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a></span>
section <span><a href="../ms-erref/18d8fbe8-a967-4f1c-ae50-99ca8e491d2d" data-linktype="relative-path">2.2</a></span>
or [MS-ERREF] section <span><a href="../ms-erref/596a1078-e883-4972-9bbc-49e60bebca55" data-linktype="relative-path">2.3.1</a></span>.
The most common error codes are listed in the following table.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>0x00000057</p>
  <p>ERROR_INVALID_PARAMETER</p>
  </td>
  <td>
  <p>A parameter is incorrect.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x00000013</p>
  <p>ERROR_WRITE_PROTECT</p>
  </td>
  <td>
  <p>A read or write operation was attempted to a volume
  after it was dismounted. The server can no longer service registry requests
  because server shutdown has been initiated.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p>Server Operations</p><p>If the registry server can no longer service registry
requests because server shutdown has been initiated (<b>SHUTDOWNINPROGRESS</b>
is set to TRUE), the server MUST return ERROR_WRITE_PROTECT.</p><p>In response to this request from the client, for a
successful operation, the server MUST save the key, subkeys, and values of the
keys that are specified in the <i>hKey</i> parameter to the file that is
specified in the <i>lpFile</i> parameter of the request.</p><p>If the key indicated by <i>hKey</i> refers to, or is a <span><a href="261b039d-95d9-4749-9680-db1851d03945#gt_a5a62cd8-d275-44c1-bf4d-af707404db1e" data-linktype="relative-path">subkey</a></span>
of, one of the following predefined keys, the server MUST fail the method and
return ERROR_INVALID_HANDLE:</p><ul><li><p><span><span> 
</span></span><b>HKEY_PERFORMANCE_DATA </b></p>
</li><li><p><span><span> 
</span></span><b>HKEY_PERFORMANCE_TEXT </b></p>
</li><li><p><span><span> 
</span></span><b>HKEY_PERFORMANCE_NLSTEXT </b></p>
</li></ul><p>If the key indicated by <i>hKey</i> refers to one of the
following predefined keys, the server MUST fail the method and return
ERROR_ACCESS_DENIED:</p><ul><li><p><span><span> 
</span></span><b>HKEY_USERS </b></p>
</li><li><p><span><span> 
</span></span><b>HKEY_LOCAL_MACHINE </b></p>
</li></ul><p>If the file indicated by <i>lpFile</i> already exists, the server
MUST fail the method and return ERROR_ALREADY_EXISTS.</p><p>The server MUST set the <span><a href="../ms-dtyp/7d4dac05-9cef-4563-a058-f108abecce1d" data-linktype="relative-path">SECURITY_DESCRIPTOR</a></span>
on this file based on the RPC_SECURITY_ATTRIBUTES that are specified in the <i>pSecurityAttributes</i>
parameter. If this parameter is NULL, the server MUST use the default
SECURITY_DESCRIPTOR. </p><p>The server MUST return 0 to indicate success or an
appropriate error code (as specified in [MS-ERREF]) to indicate an error. </p><p>If the parameter <i>lpFile</i> is NULL or references a
buffer that is NULL, the server MUST return ERROR_INVALID_PARAMETER.</p><p>If the parameter <i>pSecurityAttributes</i> is not a
security descriptor as specified in <span><a href="../ms-dtyp/cca27429-5689-4a16-b2b4-9325d93e4ba2" data-linktype="relative-path">[MS-DTYP]</a></span>
section 2.4.6, the function MUST return ERROR_INVALID_PARAMETER.</p></div>