diff --git a/reactos/dll/win32/advapi32/advapi32.spec b/reactos/dll/win32/advapi32/advapi32.spec
index 8191196335a..1b3cd09c208 100644
--- a/reactos/dll/win32/advapi32/advapi32.spec
+++ b/reactos/dll/win32/advapi32/advapi32.spec
@@ -363,29 +363,29 @@
 @ stdcall LsaEnumerateTrustedDomainsEx(ptr ptr ptr long ptr)
 @ stdcall LsaFreeMemory(ptr)
 @ stdcall LsaGetQuotasForAccount(ptr ptr)
-@ stub LsaGetRemoteUserName
+@ stdcall LsaGetRemoteUserName(ptr ptr ptr)
 @ stdcall LsaGetSystemAccessAccount(ptr ptr)
 @ stdcall LsaGetUserName(ptr ptr)
 @ stub LsaICLookupNames
 @ stub LsaICLookupNamesWithCreds
 @ stub LsaICLookupSids
 @ stub LsaICLookupSidsWithCreds
-@ stdcall LsaLookupNames(long long ptr ptr ptr)
+@ stdcall LsaLookupNames(ptr long ptr ptr ptr)
 @ stdcall LsaLookupNames2(ptr long long ptr ptr ptr)
-@ stub LsaLookupPrivilegeDisplayName
+@ stdcall LsaLookupPrivilegeDisplayName(ptr ptr ptr ptr)
 @ stdcall LsaLookupPrivilegeName(ptr ptr ptr)
 @ stdcall LsaLookupPrivilegeValue(ptr ptr ptr)
 @ stdcall LsaLookupSids(ptr long ptr ptr ptr)
 @ stdcall LsaNtStatusToWinError(long)
 @ stdcall LsaOpenAccount(ptr ptr long ptr)
 @ stdcall LsaOpenPolicy(ptr ptr long ptr)
-@ stub LsaOpenPolicySce
+@ stdcall LsaOpenPolicySce(ptr ptr long ptr)
 @ stdcall LsaOpenSecret(ptr ptr long ptr)
 @ stdcall LsaOpenTrustedDomain(ptr ptr long ptr)
 @ stdcall LsaOpenTrustedDomainByName(ptr ptr long ptr)
 @ stdcall LsaQueryDomainInformationPolicy(ptr long ptr)
 @ stdcall LsaQueryForestTrustInformation(ptr ptr ptr)
-@ stdcall LsaQueryInfoTrustedDomain(long long long)
+@ stdcall LsaQueryInfoTrustedDomain(ptr long ptr)
 @ stdcall LsaQueryInformationPolicy(ptr long ptr)
 @ stdcall LsaQuerySecret(ptr ptr ptr ptr ptr)
 @ stdcall LsaQuerySecurityObject(ptr long ptr)
@@ -393,12 +393,12 @@
 @ stdcall LsaQueryTrustedDomainInfoByName(ptr ptr long ptr)
 @ stdcall LsaRegisterPolicyChangeNotification(long long)
 @ stdcall LsaRemoveAccountRights(ptr ptr long ptr long)
-@ stub LsaRemovePrivilegesFromAccount
+@ stdcall LsaRemovePrivilegesFromAccount(ptr long ptr)
 @ stdcall LsaRetrievePrivateData(ptr ptr ptr)
 @ stdcall LsaSetDomainInformationPolicy(ptr long ptr)
 @ stdcall LsaSetForestTrustInformation(ptr ptr ptr long ptr)
-@ stdcall LsaSetInformationPolicy(long long ptr)
-@ stub LsaSetInformationTrustedDomain
+@ stdcall LsaSetInformationPolicy(ptr long ptr)
+@ stdcall LsaSetInformationTrustedDomain(ptr long ptr)
 @ stdcall LsaSetQuotasForAccount(ptr ptr)
 @ stdcall LsaSetSecret(ptr ptr ptr)
 @ stdcall LsaSetSecurityObject(ptr long ptr)
diff --git a/reactos/dll/win32/advapi32/sec/lsa.c b/reactos/dll/win32/advapi32/sec/lsa.c
index 04cee32314e..7605198e6c2 100644
--- a/reactos/dll/win32/advapi32/sec/lsa.c
+++ b/reactos/dll/win32/advapi32/sec/lsa.c
@@ -163,7 +163,7 @@ LsaAddPrivilegesToAccount(IN LSA_HANDLE AccountHandle,
  * @implemented
  */
 NTSTATUS
-NTAPI
+WINAPI
 LsaClearAuditLog(IN LSA_HANDLE PolicyHandle)
 {
     NTSTATUS Status;
@@ -679,6 +679,21 @@ LsaGetQuotasForAccount(IN LSA_HANDLE AccountHandle,
 }
 
 
+/*
+ * @unimplemented
+ */
+NTSTATUS
+WINAPI
+LsaGetRemoteUserName(IN PLSA_UNICODE_STRING SystemName OPTIONAL,
+                     OUT PLSA_UNICODE_STRING *UserName,
+                     OUT PLSA_UNICODE_STRING *DomainName OPTIONAL)
+{
+    FIXME("LsaGetUserName(%p %p %p)\n",
+          SystemName, UserName, DomainName);
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+
 /*
  * @implemented
  */
@@ -854,6 +869,22 @@ LsaLookupNames2(IN LSA_HANDLE PolicyHandle,
 }
 
 
+/*
+ * @unimplemented
+ */
+NTSTATUS
+WINAPI
+LsaLookupPrivilegeDisplayName(IN LSA_HANDLE PolicyHandle,
+                              IN PLSA_UNICODE_STRING Name,
+                              OUT PLSA_UNICODE_STRING *DisplayName,
+                              OUT PSHORT LanguageReturned)
+{
+    FIXME("LsaLookupPrivilegeDisplayName(%p %p %p %p)\n",
+          PolicyHandle, Name, DisplayName, LanguageReturned);
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+
 /*
  * @implemented
  */
@@ -1078,6 +1109,26 @@ LsaOpenPolicy(IN PLSA_UNICODE_STRING SystemName OPTIONAL,
 }
 
 
+/*
+ * @unimplemented
+ */
+NTSTATUS
+WINAPI
+LsaOpenPolicySce(IN PLSA_UNICODE_STRING SystemName OPTIONAL,
+                 IN PLSA_OBJECT_ATTRIBUTES ObjectAttributes,
+                 IN ACCESS_MASK DesiredAccess,
+                 OUT PLSA_HANDLE PolicyHandle)
+{
+    FIXME("LsaOpenPolicySce(%s %p 0x%08lx %p)\n",
+          SystemName ? debugstr_w(SystemName->Buffer) : "(null)",
+          ObjectAttributes, DesiredAccess, PolicyHandle);
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+
+/*
+ * @implemented
+ */
 NTSTATUS
 WINAPI
 LsaOpenSecret(IN LSA_HANDLE PolicyHandle,
@@ -1527,6 +1578,33 @@ LsaRemoveAccountRights(IN LSA_HANDLE PolicyHandle,
 }
 
 
+/*
+ * @implemented
+ */
+NTSTATUS
+WINAPI
+LsaRemovePrivilegesFromAccount(IN LSA_HANDLE AccountHandle,
+                               IN BOOLEAN AllPrivileges,
+                               IN PPRIVILEGE_SET Privileges OPTIONAL)
+{
+    NTSTATUS Status;
+
+    RpcTryExcept
+    {
+        Status = LsarRemovePrivilegesFromAccount((LSAPR_HANDLE)AccountHandle,
+                                                 AllPrivileges,
+                                                 (PLSAPR_PRIVILEGE_SET)Privileges);
+    }
+    RpcExcept(EXCEPTION_EXECUTE_HANDLER)
+    {
+        Status = I_RpcMapWin32Status(RpcExceptionCode());
+    }
+    RpcEndExcept;
+
+    return Status;
+}
+
+
 /*
  * @unimplemented
  */
@@ -1604,6 +1682,21 @@ LsaSetInformationPolicy(IN LSA_HANDLE PolicyHandle,
 }
 
 
+/*
+ * @unimplemented
+ */
+NTSTATUS
+WINAPI
+LsaSetInformationTrustedDomain(IN LSA_HANDLE TrustedDomainHandle,
+                               IN TRUSTED_INFORMATION_CLASS InformationClass,
+                               IN PVOID Buffer)
+{
+    FIXME("LsaSetInformationTrustedDomain(%p %d %p)\n",
+          TrustedDomainHandle, InformationClass, Buffer);
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+
 /*
  * @implemented
  */
diff --git a/reactos/include/psdk/ntsecapi.h b/reactos/include/psdk/ntsecapi.h
index a45dd46cd57..8b6d4905ed6 100644
--- a/reactos/include/psdk/ntsecapi.h
+++ b/reactos/include/psdk/ntsecapi.h
@@ -70,6 +70,7 @@ extern "C" {
 #define POLICY_AUDIT_LOG_ADMIN 512
 #define POLICY_SERVER_ADMIN 1024
 #define POLICY_LOOKUP_NAMES 2048
+#define POLICY_NOTIFICATION 4096
 #define POLICY_READ (STANDARD_RIGHTS_READ|6)
 #define POLICY_WRITE (STANDARD_RIGHTS_WRITE|2040)
 #define POLICY_EXECUTE (STANDARD_RIGHTS_EXECUTE|2049)
@@ -690,6 +691,8 @@ NTSTATUS NTAPI LsaEnumerateTrustedDomainsEx(LSA_HANDLE,PLSA_ENUMERATION_HANDLE,
 NTSTATUS NTAPI LsaFreeMemory(PVOID);
 NTSTATUS NTAPI LsaFreeReturnBuffer(PVOID);
 NTSTATUS NTAPI LsaGetQuotasForAccount(LSA_HANDLE,PQUOTA_LIMITS);
+NTSTATUS NTAPI LsaGetRemoteUserName(PLSA_UNICODE_STRING, PLSA_UNICODE_STRING*,
+                            PLSA_UNICODE_STRING*);
 NTSTATUS NTAPI LsaGetSystemAccessAccount(LSA_HANDLE, PULONG);
 NTSTATUS NTAPI LsaGetUserName(PUNICODE_STRING*,PUNICODE_STRING*);
 NTSTATUS NTAPI LsaLogonUser(HANDLE,PLSA_STRING,SECURITY_LOGON_TYPE,ULONG,PVOID,
@@ -700,6 +703,8 @@ NTSTATUS NTAPI LsaLookupNames(LSA_HANDLE,ULONG,PLSA_UNICODE_STRING,
                             PLSA_REFERENCED_DOMAIN_LIST*,PLSA_TRANSLATED_SID*);
 NTSTATUS NTAPI LsaLookupNames2(LSA_HANDLE,ULONG,ULONG,PLSA_UNICODE_STRING,
                             PLSA_REFERENCED_DOMAIN_LIST*,PLSA_TRANSLATED_SID2*);
+NTSTATUS NTAPI LsaLookupPrivilegeDisplayName(LSA_HANDLE,PLSA_UNICODE_STRING,
+                            PLSA_UNICODE_STRING*,PSHORT);
 NTSTATUS NTAPI LsaLookupPrivilegeName(LSA_HANDLE,PLUID,PLSA_UNICODE_STRING*);
 NTSTATUS NTAPI LsaLookupPrivilegeValue(LSA_HANDLE,PLSA_UNICODE_STRING,PLUID);
 NTSTATUS NTAPI LsaLookupSids(LSA_HANDLE,ULONG,PSID*,
@@ -708,6 +713,8 @@ ULONG NTAPI LsaNtStatusToWinError(NTSTATUS);
 NTSTATUS NTAPI LsaOpenAccount(LSA_HANDLE,PSID,ACCESS_MASK,PLSA_HANDLE);
 NTSTATUS NTAPI LsaOpenPolicy(PLSA_UNICODE_STRING,PLSA_OBJECT_ATTRIBUTES,
                             ACCESS_MASK,PLSA_HANDLE);
+NTSTATUS NTAPI LsaOpenPolicySce(PLSA_UNICODE_STRING,PLSA_OBJECT_ATTRIBUTES,
+                            ACCESS_MASK,PLSA_HANDLE);
 NTSTATUS NTAPI LsaOpenSecret(LSA_HANDLE, PLSA_UNICODE_STRING, ACCESS_MASK, PLSA_HANDLE);
 NTSTATUS NTAPI LsaQuerySecurityObject(LSA_HANDLE,SECURITY_INFORMATION,PSECURITY_DESCRIPTOR*);
 NTSTATUS NTAPI LsaOpenTrustedDomain(LSA_HANDLE,PSID,ACCESS_MASK,PLSA_HANDLE);
@@ -725,11 +732,14 @@ NTSTATUS NTAPI LsaQueryTrustedDomainInfoByName(LSA_HANDLE,PLSA_UNICODE_STRING,
 NTSTATUS NTAPI LsaRegisterLogonProcess(PLSA_STRING,PHANDLE,PLSA_OPERATIONAL_MODE);
 NTSTATUS NTAPI LsaRemoveAccountRights(LSA_HANDLE,PSID,BOOLEAN,
                             PLSA_UNICODE_STRING,ULONG);
+NTSTATUS NTAPI LsaRemovePrivilegesFromAccount(LSA_HANDLE,BOOLEAN,PPRIVILEGE_SET);
 NTSTATUS NTAPI LsaRetrievePrivateData(LSA_HANDLE,PLSA_UNICODE_STRING,
                             PLSA_UNICODE_STRING*);
 NTSTATUS NTAPI LsaSetDomainInformationPolicy(LSA_HANDLE,
                             POLICY_DOMAIN_INFORMATION_CLASS,PVOID);
 NTSTATUS NTAPI LsaSetInformationPolicy(LSA_HANDLE,POLICY_INFORMATION_CLASS,PVOID);
+NTSTATUS NTAPI LsaSetInformationTrustedDomain(LSA_HANDLE,TRUSTED_INFORMATION_CLASS,
+                            PVOID);
 NTSTATUS NTAPI LsaSetQuotasForAccount(LSA_HANDLE,PQUOTA_LIMITS);
 NTSTATUS NTAPI LsaSetSecret(LSA_HANDLE,PLSA_UNICODE_STRING,PLSA_UNICODE_STRING);
 NTSTATUS NTAPI LsaSetSecurityObject(LSA_HANDLE,SECURITY_INFORMATION,PSECURITY_DESCRIPTOR);