diff --git a/reactos/dll/win32/samsrv/alias.c b/reactos/dll/win32/samsrv/alias.c
index 96e70c854a8..6e9c7607076 100644
--- a/reactos/dll/win32/samsrv/alias.c
+++ b/reactos/dll/win32/samsrv/alias.c
@@ -39,4 +39,191 @@ SampOpenAliasObject(IN PSAM_DB_OBJECT DomainObject,
                             AliasObject);
 }
 
+
+NTSTATUS
+SampAddMemberToAlias(IN PSAM_DB_OBJECT AliasObject,
+                     IN PRPC_SID MemberId)
+{
+    LPWSTR MemberIdString = NULL;
+    HANDLE MembersKeyHandle = NULL;
+    HANDLE MemberKeyHandle = NULL;
+    ULONG MemberIdLength;
+    NTSTATUS Status;
+
+    TRACE("(%p %p)\n",
+          AliasObject, MemberId);
+
+    ConvertSidToStringSidW(MemberId, &MemberIdString);
+    TRACE("Member SID: %S\n", MemberIdString);
+
+    MemberIdLength = RtlLengthSid(MemberId);
+
+    Status = SampRegCreateKey(AliasObject->KeyHandle,
+                              L"Members",
+                              KEY_WRITE,
+                              &MembersKeyHandle);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SampRegCreateKey failed with status 0x%08lx\n", Status);
+        goto done;
+    }
+
+    Status = SampRegSetValue(MembersKeyHandle,
+                             MemberIdString,
+                             REG_BINARY,
+                             MemberId,
+                             MemberIdLength);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SampRegSetValue failed with status 0x%08lx\n", Status);
+        goto done;
+    }
+
+    Status = SampRegCreateKey(AliasObject->MembersKeyHandle,
+                              MemberIdString,
+                              KEY_WRITE,
+                              &MemberKeyHandle);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SampRegCreateKey failed with status 0x%08lx\n", Status);
+        goto done;
+    }
+
+    Status = SampRegSetValue(MemberKeyHandle,
+                             AliasObject->Name,
+                             REG_BINARY,
+                             MemberId,
+                             MemberIdLength);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SampRegSetValue failed with status 0x%08lx\n", Status);
+        goto done;
+    }
+
+done:
+    if (MemberKeyHandle != NULL)
+        SampRegCloseKey(MemberKeyHandle);
+
+    if (MembersKeyHandle != NULL)
+        SampRegCloseKey(MembersKeyHandle);
+
+    if (MemberIdString != NULL)
+        LocalFree(MemberIdString);
+
+    return Status;
+}
+
+
+NTSTATUS
+NTAPI
+SampRemoveMemberFromAlias(IN PSAM_DB_OBJECT AliasObject,
+                          IN PRPC_SID MemberId)
+{
+    LPWSTR MemberIdString = NULL;
+    HANDLE MembersKeyHandle = NULL;
+    HANDLE MemberKeyHandle = NULL;
+    ULONG ulValueCount;
+    NTSTATUS Status;
+
+    TRACE("(%p %p)\n",
+          AliasObject, MemberId);
+
+    ConvertSidToStringSidW(MemberId, &MemberIdString);
+    TRACE("Member SID: %S\n", MemberIdString);
+
+    Status = SampRegOpenKey(AliasObject->MembersKeyHandle,
+                            MemberIdString,
+                            KEY_WRITE | KEY_QUERY_VALUE,
+                            &MemberKeyHandle);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SampRegOpenKey failed with status 0x%08lx\n", Status);
+        goto done;
+    }
+
+    Status = SampRegDeleteValue(MemberKeyHandle,
+                                AliasObject->Name);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SampRegDeleteValue failed with status 0x%08lx\n", Status);
+        goto done;
+    }
+
+    Status = SampRegQueryKeyInfo(MemberKeyHandle,
+                                 NULL,
+                                 &ulValueCount);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SampRegQueryKeyInfo failed with status 0x%08lx\n", Status);
+        goto done;
+    }
+
+    if (ulValueCount == 0)
+    {
+        SampRegCloseKey(MemberKeyHandle);
+        MemberKeyHandle = NULL;
+
+        Status = SampRegDeleteKey(AliasObject->MembersKeyHandle,
+                                  MemberIdString);
+        if (!NT_SUCCESS(Status))
+        {
+            TRACE("SampRegDeleteKey failed with status 0x%08lx\n", Status);
+            goto done;
+        }
+    }
+
+    Status = SampRegOpenKey(AliasObject->KeyHandle,
+                            L"Members",
+                            KEY_WRITE | KEY_QUERY_VALUE,
+                            &MembersKeyHandle);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SampRegOpenKey failed with status 0x%08lx\n", Status);
+        goto done;
+    }
+
+    Status = SampRegDeleteValue(MembersKeyHandle,
+                                MemberIdString);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SampRegDeleteValue failed with status 0x%08lx\n", Status);
+        goto done;
+    }
+
+    Status = SampRegQueryKeyInfo(MembersKeyHandle,
+                                 NULL,
+                                 &ulValueCount);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SampRegQueryKeyInfo failed with status 0x%08lx\n", Status);
+        goto done;
+    }
+
+    if (ulValueCount == 0)
+    {
+        SampRegCloseKey(MembersKeyHandle);
+        MembersKeyHandle = NULL;
+
+        Status = SampRegDeleteKey(AliasObject->KeyHandle,
+                                  L"Members");
+        if (!NT_SUCCESS(Status))
+        {
+            TRACE("SampRegDeleteKey failed with status 0x%08lx\n", Status);
+            goto done;
+        }
+    }
+
+done:
+    if (MemberKeyHandle != NULL)
+        SampRegCloseKey(MemberKeyHandle);
+
+    if (MembersKeyHandle != NULL)
+        SampRegCloseKey(MembersKeyHandle);
+
+    if (MemberIdString != NULL)
+        LocalFree(MemberIdString);
+
+    return Status;
+}
+
 /* EOF */
diff --git a/reactos/dll/win32/samsrv/samrpc.c b/reactos/dll/win32/samsrv/samrpc.c
index d485162fa25..cdce9b44cc0 100644
--- a/reactos/dll/win32/samsrv/samrpc.c
+++ b/reactos/dll/win32/samsrv/samrpc.c
@@ -4669,7 +4669,7 @@ SamrDeleteAlias(IN OUT SAMPR_HANDLE *AliasHandle)
                                   &AliasObject);
     if (!NT_SUCCESS(Status))
     {
-        TRACE("failed with status 0x%08lx\n", Status);
+        TRACE("SampValidateDbObject failed (Status 0x%08lx)\n", Status);
         return Status;
     }
 
@@ -4704,14 +4704,9 @@ SamrAddMemberToAlias(IN SAMPR_HANDLE AliasHandle,
                      IN PRPC_SID MemberId)
 {
     PSAM_DB_OBJECT AliasObject;
-    LPWSTR MemberIdString = NULL;
-    HANDLE MembersKeyHandle = NULL;
-    HANDLE MemberKeyHandle = NULL;
-    ULONG MemberIdLength;
     NTSTATUS Status;
 
-    TRACE("SamrAddMemberToAlias(%p %p)\n",
-          AliasHandle, MemberId);
+    TRACE("(%p %p)\n", AliasHandle, MemberId);
 
     /* Validate the alias handle */
     Status = SampValidateDbObject(AliasHandle,
@@ -4724,63 +4719,13 @@ SamrAddMemberToAlias(IN SAMPR_HANDLE AliasHandle,
         return Status;
     }
 
-    ConvertSidToStringSidW(MemberId, &MemberIdString);
-    TRACE("Member SID: %S\n", MemberIdString);
-
-    MemberIdLength = RtlLengthSid(MemberId);
-
-    Status = SampRegCreateKey(AliasObject->KeyHandle,
-                              L"Members",
-                              KEY_WRITE,
-                              &MembersKeyHandle);
+    Status = SampAddMemberToAlias(AliasObject,
+                                  MemberId);
     if (!NT_SUCCESS(Status))
     {
-        TRACE("SampRegCreateKey failed with status 0x%08lx\n", Status);
-        goto done;
+        TRACE("failed with status 0x%08lx\n", Status);
     }
 
-    Status = SampRegSetValue(MembersKeyHandle,
-                             MemberIdString,
-                             REG_BINARY,
-                             MemberId,
-                             MemberIdLength);
-    if (!NT_SUCCESS(Status))
-    {
-        TRACE("SampRegSetValue failed with status 0x%08lx\n", Status);
-        goto done;
-    }
-
-    Status = SampRegCreateKey(AliasObject->MembersKeyHandle,
-                              MemberIdString,
-                              KEY_WRITE,
-                              &MemberKeyHandle);
-    if (!NT_SUCCESS(Status))
-    {
-        TRACE("SampRegCreateKey failed with status 0x%08lx\n", Status);
-        goto done;
-    }
-
-    Status = SampRegSetValue(MemberKeyHandle,
-                             AliasObject->Name,
-                             REG_BINARY,
-                             MemberId,
-                             MemberIdLength);
-    if (!NT_SUCCESS(Status))
-    {
-        TRACE("SampRegSetValue failed with status 0x%08lx\n", Status);
-        goto done;
-    }
-
-done:
-    if (MemberKeyHandle != NULL)
-        SampRegCloseKey(MemberKeyHandle);
-
-    if (MembersKeyHandle != NULL)
-        SampRegCloseKey(MembersKeyHandle);
-
-    if (MemberIdString != NULL)
-        LocalFree(MemberIdString);
-
     return Status;
 }
 
@@ -4792,14 +4737,9 @@ SamrRemoveMemberFromAlias(IN SAMPR_HANDLE AliasHandle,
                           IN PRPC_SID MemberId)
 {
     PSAM_DB_OBJECT AliasObject;
-    LPWSTR MemberIdString = NULL;
-    HANDLE MembersKeyHandle = NULL;
-    HANDLE MemberKeyHandle = NULL;
-    ULONG ulValueCount;
     NTSTATUS Status;
 
-    TRACE("SamrRemoveMemberFromAlias(%p %p)\n",
-          AliasHandle, MemberId);
+    TRACE("(%p %p)\n", AliasHandle, MemberId);
 
     /* Validate the alias handle */
     Status = SampValidateDbObject(AliasHandle,
@@ -4812,101 +4752,13 @@ SamrRemoveMemberFromAlias(IN SAMPR_HANDLE AliasHandle,
         return Status;
     }
 
-    ConvertSidToStringSidW(MemberId, &MemberIdString);
-    TRACE("Member SID: %S\n", MemberIdString);
-
-    Status = SampRegOpenKey(AliasObject->MembersKeyHandle,
-                            MemberIdString,
-                            KEY_WRITE | KEY_QUERY_VALUE,
-                            &MemberKeyHandle);
+    Status = SampRemoveMemberFromAlias(AliasObject,
+                                       MemberId);
     if (!NT_SUCCESS(Status))
     {
-        TRACE("SampRegOpenKey failed with status 0x%08lx\n", Status);
-        goto done;
+        TRACE("failed with status 0x%08lx\n", Status);
     }
 
-    Status = SampRegDeleteValue(MemberKeyHandle,
-                                AliasObject->Name);
-    if (!NT_SUCCESS(Status))
-    {
-        TRACE("SampRegDeleteValue failed with status 0x%08lx\n", Status);
-        goto done;
-    }
-
-    Status = SampRegQueryKeyInfo(MemberKeyHandle,
-                                 NULL,
-                                 &ulValueCount);
-    if (!NT_SUCCESS(Status))
-    {
-        TRACE("SampRegQueryKeyInfo failed with status 0x%08lx\n", Status);
-        goto done;
-    }
-
-    if (ulValueCount == 0)
-    {
-        SampRegCloseKey(MemberKeyHandle);
-        MemberKeyHandle = NULL;
-
-        Status = SampRegDeleteKey(AliasObject->MembersKeyHandle,
-                                  MemberIdString);
-        if (!NT_SUCCESS(Status))
-        {
-            TRACE("SampRegDeleteKey failed with status 0x%08lx\n", Status);
-            goto done;
-        }
-    }
-
-    Status = SampRegOpenKey(AliasObject->KeyHandle,
-                            L"Members",
-                            KEY_WRITE | KEY_QUERY_VALUE,
-                            &MembersKeyHandle);
-    if (!NT_SUCCESS(Status))
-    {
-        TRACE("SampRegOpenKey failed with status 0x%08lx\n", Status);
-        goto done;
-    }
-
-    Status = SampRegDeleteValue(MembersKeyHandle,
-                                MemberIdString);
-    if (!NT_SUCCESS(Status))
-    {
-        TRACE("SampRegDeleteValue failed with status 0x%08lx\n", Status);
-        goto done;
-    }
-
-    Status = SampRegQueryKeyInfo(MembersKeyHandle,
-                                 NULL,
-                                 &ulValueCount);
-    if (!NT_SUCCESS(Status))
-    {
-        TRACE("SampRegQueryKeyInfo failed with status 0x%08lx\n", Status);
-        goto done;
-    }
-
-    if (ulValueCount == 0)
-    {
-        SampRegCloseKey(MembersKeyHandle);
-        MembersKeyHandle = NULL;
-
-        Status = SampRegDeleteKey(AliasObject->KeyHandle,
-                                  L"Members");
-        if (!NT_SUCCESS(Status))
-        {
-            TRACE("SampRegDeleteKey failed with status 0x%08lx\n", Status);
-            goto done;
-        }
-    }
-
-done:
-    if (MemberKeyHandle != NULL)
-        SampRegCloseKey(MemberKeyHandle);
-
-    if (MembersKeyHandle != NULL)
-        SampRegCloseKey(MembersKeyHandle);
-
-    if (MemberIdString != NULL)
-        LocalFree(MemberIdString);
-
     return Status;
 }
 
diff --git a/reactos/dll/win32/samsrv/samsrv.h b/reactos/dll/win32/samsrv/samsrv.h
index e0f3fd4bb6f..dffc65ec816 100644
--- a/reactos/dll/win32/samsrv/samsrv.h
+++ b/reactos/dll/win32/samsrv/samsrv.h
@@ -128,6 +128,15 @@ SampOpenAliasObject(IN PSAM_DB_OBJECT DomainObject,
                     IN ACCESS_MASK DesiredAccess,
                     OUT PSAM_DB_OBJECT *AliasObject);
 
+NTSTATUS
+SampAddMemberToAlias(IN PSAM_DB_OBJECT AliasObject,
+                     IN PRPC_SID MemberId);
+
+NTSTATUS
+NTAPI
+SampRemoveMemberFromAlias(IN PSAM_DB_OBJECT AliasObject,
+                          IN PRPC_SID MemberId);
+
 
 /* database.c */