diff --git a/deployment-apps/Splunk_TA_windows/default/transforms.conf b/deployment-apps/Splunk_TA_windows/default/transforms.conf
index 988b1482..458b561c 100644
--- a/deployment-apps/Splunk_TA_windows/default/transforms.conf
+++ b/deployment-apps/Splunk_TA_windows/default/transforms.conf
@@ -1218,7 +1218,7 @@ FORMAT = _value::$1
 WRITE_META = true
 
 [metric_name_for_perfmon_metrics_store]
-REGEX = counter=\"?([^\"\r\n]*[^\"_\s])
+REGEX = counter=\"?([^\"\r\n%]*[^\"_\s])
 FORMAT = metric_name::$1
 WRITE_META = true
 
diff --git a/deployment-apps/Splunk_TA_windows_dc/default/transforms.conf b/deployment-apps/Splunk_TA_windows_dc/default/transforms.conf
index a375f597..b587353e 100644
--- a/deployment-apps/Splunk_TA_windows_dc/default/transforms.conf
+++ b/deployment-apps/Splunk_TA_windows_dc/default/transforms.conf
@@ -1175,7 +1175,7 @@ WRITE_META = true
 ##WRITE_META = true
 
 [metric_name_for_perfmon_metrics_store]
-REGEX = counter=\"?([^\"\r\n]*[^\"_\s])
+REGEX = counter=\"?([^\"\r\n%]*[^\"_\s])
 FORMAT = metric_name::$1
 WRITE_META = true