diff --git a/kerb4j-server/kerb4j-server-common/src/main/java/com/kerb4j/server/marshall/pac/PacLogonInfo.java b/kerb4j-server/kerb4j-server-common/src/main/java/com/kerb4j/server/marshall/pac/PacLogonInfo.java
index ba1d5fc..b8d6cb0 100644
--- a/kerb4j-server/kerb4j-server-common/src/main/java/com/kerb4j/server/marshall/pac/PacLogonInfo.java
+++ b/kerb4j-server/kerb4j-server-common/src/main/java/com/kerb4j/server/marshall/pac/PacLogonInfo.java
@@ -206,10 +206,10 @@ public PacLogonInfo(byte[] data) throws Kerb4JException {
                 extraSids[i] = extraSidAtts[i].getId();
             }
 
-            // Compute Resource Group IDs with Resource Domain ID to get SIDs
+            // Extract Resource Group SIDs
             resourceGroupSids = new PacSid[resourceGroups.length];
             for (int i = 0; i < resourceGroups.length; i++) {
-                resourceGroupSids[i] = PacSid.append(resourceDomainId, resourceGroups[i].getId());
+                resourceGroupSids[i] = resourceGroups[i].getId();
             }
 
             // Compute User IDs with Domain ID to get User SIDs