{"id":16538,"date":"2026-05-28T04:01:30","date_gmt":"2026-05-27T19:01:30","guid":{"rendered":"https:\/\/m365jp.net\/?p=16538"},"modified":"2026-05-28T04:01:35","modified_gmt":"2026-05-27T19:01:35","slug":"mc1323250-action-required-update-scripts-using-get-maildetailtransportrulereport-and-get-mailtrafficpolicyreport-2","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-05-28-mc1323250-action-required-update-scripts-using-get-maildetailtransportrulereport-and-get-mailtrafficpolicyreport-2","title":{"rendered":"MC1323250 | [Action Required] Update scripts using Get-MailDetailTransportRuleReport and Get-MailTrafficPolicyReport"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1323250 | [Action Required] Update scripts using Get-MailDetailTransportRuleReport and Get-MailTrafficPolicyReport<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Classification<\/th>\n<td>planForChange<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>05\/27\/2026 18:13:03<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>05\/26\/2026 21:58:46<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>08\/30\/2026 07:00:00<\/td>\n<\/tr>\n<tr>\n<th>Action Required By Date<\/th>\n<td>2026-07-30T07:00:00Z<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p><b>[What and Why:]<\/b><\/p>\n<p>  <\/p>\n<p>To improve clarity, precision, and performance of transport rule reporting, Microsoft is updating the behavior of two Exchange Online reporting cmdlets. Starting July 30, 2026,  <b>Get-MailDetailTransportRuleReport<\/b> and <b>Get-MailTrafficPolicyReport<\/b> will return transport rule data  <b>only when the request explicitly specifies the relevant EventType<\/b>. This change helps ensure that reporting queries are intentional, predictable, and aligned with how transport rule events are generated and logged.<\/p>\n<p>This update supports enterprise\u2011ready manageability by reducing ambiguous results and helping administrators build more reliable automation and compliance reporting.<\/p>\n<p><b>[Rollout Schedule:]<\/b><\/p>\n<p>  <\/p>\n<p>General Availability (Worldwide):&nbsp;We will begin rolling out in <b>late July 2026<\/b> and expect to complete by  <b>late July 2026<\/b>.<\/p>\n<p><b>[Impact on Your Organization:]<\/b>  <\/p>\n<p>  <\/p>\n<p><b>Who is affected:<\/b><\/p>\n<p>  <\/p>\n<ul>  <\/p>\n<li>Exchange Online administrators<\/li>\n<p>  <\/p>\n<li>Security, compliance, or messaging teams<\/li>\n<li>Any organization using PowerShell scripts, automation, or reporting that relies on transport rule data from these cmdlets<\/li>\n<\/ul>\n<p><b>Platforms\/Services:<\/b><\/p>\n<p>  <\/p>\n<ul>  <\/p>\n<li>Exchange Online<\/li>\n<p>  <\/p>\n<li>Exchange Online PowerShell<\/li>\n<p>  <\/ul>\n<p><b>What will happen:<\/b><\/p>\n<p>  <\/p>\n<ul>  <\/p>\n<li><b>Get-MailDetailTransportRuleReport <\/b>and <b>Get-MailTrafficPolicyReport<\/b> will no longer return transport rule results by default.<\/li>\n<li>Transport rule data will be returned only when one of the following parameters is explicitly included:\n<ul>\n<li><code>-EventType TransportRuleHits<\/code><\/li>\n<li><code>-EventType TransportRuleActionHits<\/code><\/li>\n<\/ul>\n<\/li>\n<li>Scripts or reports that do not include one of these parameters may return <b>  empty or incomplete results<\/b>.<\/li>\n<li>This change applies only to these two cmdlets. No other Exchange Online cmdlets are affected.&nbsp;<\/li>\n<\/ul>\n<p><b>[Action Required \/ Recommendations:]<\/b><\/p>\n<p>If your organization uses these cmdlets for transport rule reporting, <b>action is required before July 30, 2026<\/b>.<\/p>\n<p><b>Recommended actions:<\/b><\/p>\n<ul>\n<li>Review all scripts, scheduled jobs, and automation that use:\n<ul>\n<li><code>Get-MailDetailTransportRuleReport<\/code><b><\/b><b><br \/>  <\/b><\/li>\n<li><code>Get-MailTrafficPolicyReport<\/code><b><br \/>  <\/b><\/li>\n<\/ul>\n<\/li>\n<li>Update queries that require transport rule results to explicitly include:\n<ul>\n<li><code>-EventType TransportRuleHits<\/code><b> <\/b>or<b><br \/>  <\/b><\/li>\n<li><code>-EventType TransportRuleActionHits<\/code><b><br \/>  <\/b><\/li>\n<\/ul>\n<\/li>\n<li>Validate updated scripts in a non\u2011production or test context.<\/li>\n<li>Update internal documentation and operational runbooks.  <\/li>\n<li>Notify messaging and security operations teams of this change.<\/li>\n<\/ul>\n<p><b>[Compliance considerations:]<\/b><\/p>\n<p>  <\/p>\n<p>This change alters how admins retrieve and report on transport rule data for compliance and auditing purposes.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<p><b>[\u4f55\u3068\u306a\u305c:]<\/b><\/p>\n<p>  <\/p>\n<p>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u5831\u544a\u306e\u660e\u78ba\u3055\u3001\u7cbe\u5ea6\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001Microsoft\u306f2\u3064\u306eExchange Online\u30ec\u30dd\u30fc\u30c8\u30b3\u30de\u30f3\u30c9\u30ec\u30c3\u30c8\u306e\u6319\u52d5\u3092\u66f4\u65b0\u3057\u3066\u3044\u307e\u3059\u30022026\u5e747\u670830\u65e5\u4ee5\u964d\u3001  <b>Get-MailDetailTransportRuleReport<\/b> \u304a\u3088\u3073 <b>Get-MailTrafficPolicyReport<\/b> \u306f  <b>\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u95a2\u9023\u3059\u308bEventType\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a\u3057\u305f\u5834\u5408\u306b\u306e\u307f<\/b>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u30c7\u30fc\u30bf\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u5909\u66f4\u306b\u3088\u308a\u3001\u30af\u30a8\u30ea\u306e\u5831\u544a\u304c\u610f\u56f3\u7684\u304b\u3064\u4e88\u6e2c\u53ef\u80fd\u3067\u3042\u308a\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u30a4\u30d9\u30f3\u30c8\u306e\u751f\u6210\u30fb\u8a18\u9332\u65b9\u6cd5\u3068\u6574\u5408\u6027\u304c\u4fdd\u305f\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u3001\u66d6\u6627\u306a\u7d50\u679c\u3092\u6e1b\u3089\u3057\u3001\u7ba1\u7406\u8005\u304c\u3088\u308a\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u81ea\u52d5\u5316\u304a\u3088\u3073\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u5831\u544a\u3092\u69cb\u7bc9\u3059\u308b\u306e\u3092\u652f\u63f4\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5bfe\u5fdc\u306e\u7ba1\u7406\u6027\u3092\u652f\u63f4\u3057\u307e\u3059\u3002<\/p>\n<p><b>[\u5c55\u958b\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb:]<\/b><\/p>\n<p>  <\/p>\n<p>\u4e00\u822c\u516c\u958b(\u4e16\u754c\u958b\u59cb):&nbsp; <b>2026\u5e747\u6708\u4e0b\u65ec<\/b> \u304b\u3089\u5c55\u958b\u3092\u958b\u59cb\u3057\u3001 <b>7\u6708\u4e0b\u65ec<\/b>\u307e\u3067\u306b\u5b8c\u4e86\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<p><b>[\u7d44\u7e54\u3078\u306e\u5f71\u97ff:]<\/b>  <\/p>\n<p>  <\/p>\n<p><b>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u4eba\u7269:<\/b><\/p>\n<p>  <\/p>\n<ul>  <\/p>\n<li>Exchange Online\u7ba1\u7406\u8005<\/li>\n<p>  <\/p>\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3001\u307e\u305f\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30c1\u30fc\u30e0<\/li>\n<li>PowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u81ea\u52d5\u5316\u3001\u307e\u305f\u306f\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210\u3092\u7528\u3044\u3066\u3001\u3053\u308c\u3089\u306e\u30b3\u30de\u30f3\u30c9\u30ec\u30c3\u30c8\u304b\u3089\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u30c7\u30fc\u30bf\u306b\u4f9d\u5b58\u3059\u308b\u7d44\u7e54\u306a\u3089\u3001<\/li>\n<\/ul>\n<p><b>\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\/\u30b5\u30fc\u30d3\u30b9:<\/b><\/p>\n<p>  <\/p>\n<ul>  <\/p>\n<li>\u30a8\u30af\u30b9\u30c1\u30a7\u30f3\u30b8\u30fb\u30aa\u30f3\u30e9\u30a4\u30f3<\/li>\n<p>  <\/p>\n<li>Exchange Online PowerShell<\/li>\n<p>  <\/ul>\n<p><b>\u4eca\u5f8c\u306e\u5c55\u958b:<\/b><\/p>\n<p>  <\/p>\n<ul>  <\/p>\n<li><b>Get-MailDetailTransportRuleReport <\/b>\u304a\u3088\u3073 <b>Get-MailTrafficPolicyReport<\/b> \u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u306e\u7d50\u679c\u3092\u8fd4\u3057\u307e\u305b\u3093\u3002<\/li>\n<li>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u30c7\u30fc\u30bf\u306f\u3001\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u660e\u793a\u7684\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u8fd4\u3055\u308c\u307e\u3059\u3002\n<ul>\n<li><code>-EventType TransportRuleHits<\/code><\/li>\n<li><code>-EventType TransportRuleActionHits<\/code><\/li>\n<\/ul>\n<\/li>\n<li>\u3053\u308c\u3089\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u542b\u307e\u306a\u3044\u30b9\u30af\u30ea\u30d7\u30c8\u3084\u30ec\u30dd\u30fc\u30c8\u306f <b>\u3001\u7a7a\u3084\u4e0d\u5b8c\u5168\u306a\u7d50\u679c<\/b>\u3092\u8fd4\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u3053\u306e\u5909\u66f4\u306f\u3053\u308c\u30892\u3064\u306e\u30b3\u30de\u30f3\u30c9\u30ec\u30c3\u30c8\u306b\u306e\u307f\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u4ed6\u306eExchange Online\u306e\u30b3\u30de\u30f3\u30c9\u30ec\u30c3\u30c8\u306f\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u307e\u305b\u3093\u3002&nbsp;<\/li>\n<\/ul>\n<p><b>[\u884c\u52d5\u304c\u5fc5\u8981\/\u63a8\u5968\u4e8b\u9805:]<\/b><\/p>\n<p>\u3082\u3057\u7d44\u7e54\u304c\u3053\u308c\u3089\u306e\u30b3\u30de\u30f3\u30c9\u30ec\u30c3\u30c8\u3092\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u5831\u544a\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001 <b>2026\u5e747\u670830\u65e5\u307e\u3067\u306b\u5bfe\u5fdc\u304c\u5fc5\u8981\u3067\u3059<\/b>\u3002<\/p>\n<p><b>\u63a8\u5968\u3055\u308c\u308b\u884c\u52d5:<\/b><\/p>\n<ul>\n<li>\u4ee5\u4e0b\u3092\u4f7f\u7528\u3059\u308b\u3059\u3079\u3066\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3055\u308c\u305f\u30b8\u30e7\u30d6\u3001\u81ea\u52d5\u5316\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\n<ul>\n<li><code>Get-MailDetailTransportRuleReport<\/code><b><\/b><b><br \/>  <\/b><\/li>\n<li><code>Get-MailTrafficPolicyReport<\/code><b><br \/>  <\/b><\/li>\n<\/ul>\n<\/li>\n<li>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u306e\u7d50\u679c\u306b\u660e\u793a\u7684\u306b\u4ee5\u4e0b\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308b\u66f4\u65b0\u30af\u30a8\u30ea:\n<ul>\n<li><code>-EventType TransportRuleHits<\/code><b> <\/b>\u307e\u305f\u306f<b><br \/>  <\/b><\/li>\n<li><code>-EventType TransportRuleActionHits<\/code><b><br \/>  <\/b><\/li>\n<\/ul>\n<\/li>\n<li>\u975e\u672c\u756a\u74b0\u5883\u3084\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u66f4\u65b0\u3055\u308c\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002<\/li>\n<li>\u793e\u5185\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u904b\u7528\u30e9\u30f3\u30d6\u30c3\u30af\u3092\u66f4\u65b0\u3057\u307e\u3057\u3087\u3046\u3002  <\/li>\n<li>\u3053\u306e\u5909\u66f4\u3092\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u304a\u3088\u3073\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u904b\u7528\u30c1\u30fc\u30e0\u306b\u901a\u77e5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p><b>[\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u4e0a\u306e\u8003\u616e\u4e8b\u9805:]<\/b><\/p>\n<p>  <\/p>\n<p>\u3053\u306e\u5909\u66f4\u306b\u3088\u308a\u3001\u7ba1\u7406\u8005\u304c\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u304a\u3088\u3073\u76e3\u67fb\u76ee\u7684\u3067\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u304a\u3088\u3073\u5831\u544a\u65b9\u6cd5\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC1323250 | [Action Required] Update scripts using Get-MailDetailTransportRuleReport and Get-MailTrafficPolicy [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-16538","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/comments?post=16538"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16538\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=16538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=16538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=16538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}