diff --git a/win_build/installerv2/BOINC.ism b/win_build/installerv2/BOINC.ism
index 2e626265ac..1921353bbf 100644
Binary files a/win_build/installerv2/BOINC.ism and b/win_build/installerv2/BOINC.ism differ
diff --git a/win_build/installerv2/redist/Windows/Win32/boinccas.dll b/win_build/installerv2/redist/Windows/Win32/boinccas.dll
index a7e231f972..a952e64517 100644
Binary files a/win_build/installerv2/redist/Windows/Win32/boinccas.dll and b/win_build/installerv2/redist/Windows/Win32/boinccas.dll differ
diff --git a/win_build/installerv2/redist/Windows/Win32/boinccas95.dll b/win_build/installerv2/redist/Windows/Win32/boinccas95.dll
index 06f84e45f1..13721191a9 100644
Binary files a/win_build/installerv2/redist/Windows/Win32/boinccas95.dll and b/win_build/installerv2/redist/Windows/Win32/boinccas95.dll differ
diff --git a/win_build/installerv2/redist/Windows/src/boinccas/CACreateBOINCGroups.cpp b/win_build/installerv2/redist/Windows/src/boinccas/CACreateBOINCGroups.cpp
index 374f6f9c5e..e9146c72cb 100644
--- a/win_build/installerv2/redist/Windows/src/boinccas/CACreateBOINCGroups.cpp
+++ b/win_build/installerv2/redist/Windows/src/boinccas/CACreateBOINCGroups.cpp
@@ -147,7 +147,7 @@ UINT CACreateBOINCGroups::OnExecution()
             1
         );
 
-        if (NERR_Success != nasReturnValue) {
+        if ((NERR_Success != nasReturnValue) && (ERROR_MEMBER_IN_ALIAS != nasReturnValue)) {
             LogMessage(
                 INSTALLMESSAGE_ERROR,
                 NULL, 
@@ -186,7 +186,7 @@ UINT CACreateBOINCGroups::OnExecution()
             1
         );
 
-        if (NERR_Success != nasReturnValue) {
+        if ((NERR_Success != nasReturnValue) && (ERROR_MEMBER_IN_ALIAS != nasReturnValue)) {
             LogMessage(
                 INSTALLMESSAGE_ERROR,
                 NULL, 
@@ -225,7 +225,7 @@ UINT CACreateBOINCGroups::OnExecution()
             1
         );
 
-        if (NERR_Success != nasReturnValue) {
+        if ((NERR_Success != nasReturnValue) && (ERROR_MEMBER_IN_ALIAS != nasReturnValue)) {
             LogMessage(
                 INSTALLMESSAGE_ERROR,
                 NULL, 
@@ -305,7 +305,7 @@ UINT CACreateBOINCGroups::OnExecution()
             1
         );
 
-        if (NERR_Success != nasReturnValue) {
+        if ((NERR_Success != nasReturnValue) && (ERROR_MEMBER_IN_ALIAS != nasReturnValue)) {
             LogMessage(
                 INSTALLMESSAGE_ERROR,
                 NULL, 
diff --git a/win_build/installerv2/redist/Windows/x64/boinccas.dll b/win_build/installerv2/redist/Windows/x64/boinccas.dll
index b2fa875183..14f29b4ebc 100644
Binary files a/win_build/installerv2/redist/Windows/x64/boinccas.dll and b/win_build/installerv2/redist/Windows/x64/boinccas.dll differ
diff --git a/win_build/installerv2/redist/Windows/x64/boinccas95.dll b/win_build/installerv2/redist/Windows/x64/boinccas95.dll
index e36b9ae7a7..98f15a2e73 100644
Binary files a/win_build/installerv2/redist/Windows/x64/boinccas95.dll and b/win_build/installerv2/redist/Windows/x64/boinccas95.dll differ