diff --git a/dlls/advapi32/advapi32.spec b/dlls/advapi32/advapi32.spec
index 460014234ac..ec27440a5ab 100644
--- a/dlls/advapi32/advapi32.spec
+++ b/dlls/advapi32/advapi32.spec
@@ -363,7 +363,7 @@
 @ stdcall GetTrusteeTypeW(ptr) 
 @ stdcall GetUserNameA(ptr ptr)
 @ stdcall GetUserNameW(ptr ptr)
-# @ stub GetWindowsAccountDomainSid
+@ stdcall GetWindowsAccountDomainSid(ptr ptr ptr)
 # @ stub I_QueryTagInformation
 # @ stub I_ScGetCurrentGroupStateW
 # @ stub I_ScIsSecurityProcess
diff --git a/dlls/advapi32/security.c b/dlls/advapi32/security.c
index 028dcc6d9e3..c2ce1e1d031 100644
--- a/dlls/advapi32/security.c
+++ b/dlls/advapi32/security.c
@@ -1538,6 +1538,52 @@ BOOL WINAPI SetSecurityDescriptorControl( PSECURITY_DESCRIPTOR pSecurityDescript
         pSecurityDescriptor, ControlBitsOfInterest, ControlBitsToSet ) );
 }
 
+/******************************************************************************
+ * GetWindowsAccountDomainSid         [ADVAPI32.@]
+ */
+BOOL WINAPI GetWindowsAccountDomainSid( PSID sid, PSID domain_sid, DWORD *size )
+{
+    SID_IDENTIFIER_AUTHORITY domain_ident = { SECURITY_NT_AUTHORITY };
+    DWORD required_size;
+    int i;
+
+    FIXME( "(%p %p %p): semi-stub\n", sid, domain_sid, size );
+
+    if (!sid || !IsValidSid( sid ))
+    {
+        SetLastError( ERROR_INVALID_SID );
+        return FALSE;
+    }
+
+    if (!size)
+    {
+        SetLastError( ERROR_INVALID_PARAMETER );
+        return FALSE;
+    }
+
+    if (*GetSidSubAuthorityCount( sid ) < 4)
+    {
+        SetLastError( ERROR_INVALID_SID );
+        return FALSE;
+    }
+
+    required_size = GetSidLengthRequired( 4 );
+    if (*size < required_size || !domain_sid)
+    {
+        *size = required_size;
+        SetLastError( domain_sid ? ERROR_INSUFFICIENT_BUFFER :
+                                   ERROR_INVALID_PARAMETER );
+        return FALSE;
+    }
+
+    InitializeSid( domain_sid, &domain_ident, 4 );
+    for (i = 0; i < 4; i++)
+        *GetSidSubAuthority( domain_sid, i ) = *GetSidSubAuthority( sid, i );
+
+    *size = required_size;
+    return TRUE;
+}
+
 /*	##############################
 	######	ACL FUNCTIONS	######
 	##############################
diff --git a/dlls/advapi32/tests/security.c b/dlls/advapi32/tests/security.c
index 898ddba3500..098fa8f9ec9 100644
--- a/dlls/advapi32/tests/security.c
+++ b/dlls/advapi32/tests/security.c
@@ -5938,7 +5938,7 @@ static void test_GetWindowsAccountDomainSid(void)
 
     if (!pGetWindowsAccountDomainSid)
     {
-        skip("GetWindowsAccountDomainSid not available\n");
+        win_skip("GetWindowsAccountDomainSid not available\n");
         return;
     }
 
diff --git a/dlls/api-ms-win-security-base-l1-1-0/api-ms-win-security-base-l1-1-0.spec b/dlls/api-ms-win-security-base-l1-1-0/api-ms-win-security-base-l1-1-0.spec
index 42777068803..edae6d169a2 100644
--- a/dlls/api-ms-win-security-base-l1-1-0/api-ms-win-security-base-l1-1-0.spec
+++ b/dlls/api-ms-win-security-base-l1-1-0/api-ms-win-security-base-l1-1-0.spec
@@ -57,7 +57,7 @@
 @ stdcall GetSidSubAuthority(ptr long) advapi32.GetSidSubAuthority
 @ stdcall GetSidSubAuthorityCount(ptr) advapi32.GetSidSubAuthorityCount
 @ stdcall GetTokenInformation(long long ptr long ptr) advapi32.GetTokenInformation
-@ stub GetWindowsAccountDomainSid
+@ stdcall GetWindowsAccountDomainSid(ptr ptr ptr) advapi32.GetWindowsAccountDomainSid
 @ stdcall ImpersonateAnonymousToken(long) advapi32.ImpersonateAnonymousToken
 @ stdcall ImpersonateLoggedOnUser(long) advapi32.ImpersonateLoggedOnUser
 @ stdcall ImpersonateSelf(long) advapi32.ImpersonateSelf
diff --git a/dlls/api-ms-win-security-base-l1-2-0/api-ms-win-security-base-l1-2-0.spec b/dlls/api-ms-win-security-base-l1-2-0/api-ms-win-security-base-l1-2-0.spec
index 3adef23e82a..e19fe53d4e5 100644
--- a/dlls/api-ms-win-security-base-l1-2-0/api-ms-win-security-base-l1-2-0.spec
+++ b/dlls/api-ms-win-security-base-l1-2-0/api-ms-win-security-base-l1-2-0.spec
@@ -63,7 +63,7 @@
 @ stdcall GetSidSubAuthority(ptr long) advapi32.GetSidSubAuthority
 @ stdcall GetSidSubAuthorityCount(ptr) advapi32.GetSidSubAuthorityCount
 @ stdcall GetTokenInformation(long long ptr long ptr) advapi32.GetTokenInformation
-@ stub GetWindowsAccountDomainSid
+@ stdcall GetWindowsAccountDomainSid(ptr ptr ptr) advapi32.GetWindowsAccountDomainSid
 @ stdcall ImpersonateAnonymousToken(long) advapi32.ImpersonateAnonymousToken
 @ stdcall ImpersonateLoggedOnUser(long) advapi32.ImpersonateLoggedOnUser
 @ stdcall ImpersonateSelf(long) advapi32.ImpersonateSelf