diff --git a/apiserver/plane/authentication/adapter/error.py b/apiserver/plane/authentication/adapter/error.py
index 2a3e7f6cc..99a1778db 100644
--- a/apiserver/plane/authentication/adapter/error.py
+++ b/apiserver/plane/authentication/adapter/error.py
@@ -50,6 +50,7 @@ AUTHENTICATION_ERROR_CODES = {
     "ADMIN_AUTHENTICATION_FAILED": 5175,
     "ADMIN_USER_ALREADY_EXIST": 5180,
     "ADMIN_USER_DOES_NOT_EXIST": 5185,
+    "ADMIN_USER_DEACTIVATED": 5190,
 }
 
 
diff --git a/apiserver/plane/license/api/views/admin.py b/apiserver/plane/license/api/views/admin.py
index 945f4b1b1..ec3bf4df1 100644
--- a/apiserver/plane/license/api/views/admin.py
+++ b/apiserver/plane/license/api/views/admin.py
@@ -316,6 +316,20 @@ class InstanceAdminSignInEndpoint(View):
         # Fetch the user
         user = User.objects.filter(email=email).first()
 
+        # is_active
+        if not user.is_active:
+            exc = AuthenticationException(
+                error_code=AUTHENTICATION_ERROR_CODES[
+                    "ADMIN_USER_DEACTIVATED"
+                ],
+                error_message="ADMIN_USER_DEACTIVATED",
+            )
+            url = urljoin(
+                base_host(request=request, is_admin=True),
+                "?" + urlencode(exc.get_error_dict()),
+            )
+            return HttpResponseRedirect(url)
+
         # Error out if the user is not present
         if not user:
             exc = AuthenticationException(