{"id":610,"date":"2010-03-24T21:15:00","date_gmt":"2010-03-24T21:15:00","guid":{"rendered":"https:\/\/brainlitter.itgroove.net\/2010\/03\/24\/fix-for-iphones-not-playing-nice-with-activesync\/"},"modified":"2010-03-24T21:15:00","modified_gmt":"2010-03-24T21:15:00","slug":"fix-for-iphones-not-playing-nice-with-activesync","status":"publish","type":"post","link":"https:\/\/regroove.ca\/brainlitter\/2010\/03\/24\/fix-for-iphones-not-playing-nice-with-activesync\/","title":{"rendered":"Fix for iPhones not playing nice with ActiveSync"},"content":{"rendered":"<div class=\"ExternalClassFAB5EF19B3F14B92B10F2097141E153A\">\n<p>Kudo&#8217;s to Avi for the solution, write-up and persistance&#8230; <\/p>\n<p>\u00a0<\/p>\n<p><span style=\"font-family:Verdana;font-size:10pt\">I didn&#8217;t think we were ever going to get to the bottom of this issue. Web forums and support sites offered little in assistance to the fix, in fact, many people are still baffled, and have thus not resolved the issue.\u00a0The symptoms were as follows: <\/span><\/p>\n<ul>\n<li><span style=\"font-family:Verdana;font-size:10pt\">iPhone received messages intermittently, if at all <\/span><\/li>\n<li><span style=\"font-family:Verdana;font-size:10pt\">Contacts and Calendar items did not sync at all <\/span><\/li>\n<li><span style=\"font-family:Verdana;font-size:10pt\">iPhone received messages\/contacts\/calendar updates successfully when Outlook was online, and logged in as the respective user <\/span><\/li>\n<li><span style=\"font-family:Verdana;font-size:10pt\">iPhone received a certificate error when creating an account <\/span><\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<p><span style=\"font-family:Verdana;font-size:10pt\">Not much to go on for troubleshooting, many people were successful in resolving the issue by applying an Exchange registry fix on the Exchange server that changed the anti virus scanning behaviour (proactive scanning) with the information store and mailboxes, but that fix was unsuccessful in our scenario. We also tried custom settings in the ActiveSync policy, remembering that there was an issue with Exchange 2007 and the iPhone 3G to do with hardware encryption, but alas, no luck. I tried everything under the sun, apart from ordering new iPhones and upgrading to Exchange 2010 \ud83d\ude42 After exhausting all avenues, I was browsing around on the Exchange server contemplating a career change when I noticed that the Exchange server had multiple IP&#8217;s, and then remembered that for &#8216;RPC\/HTTPS&#8217; to work successfully on an Exchange server with multiple IP&#8217;s, the server had to be configured as a &#8216;back end&#8217; server in an Exchange Topology. The hamsters in my brain were starting to wake! I then remembered Sean and I had to apply a very custom fix (involving IIS virtual directories and registry hacks) on an Exchange server sometime back that was configured as a &#8216;back end&#8217; server, but was unsuccessful in getting &#8216;Outlook Anywhere&#8217; to work with the configuration, something to do with not having a front end server available, and &#8216;forms authentication&#8217; enabled. EUREKA! I thought I would try the very fix that helped another client out of a bind, I referred to the following article: <\/span><\/p>\n<p>\u00a0<\/p>\n<p><a href=\"http:\/\/support.microsoft.com\/kb\/817379\"><span style=\"font-family:Verdana;font-size:10pt\">http:\/\/support.microsoft.com\/kb\/817379<\/span><\/a><span style=\"font-family:Verdana;font-size:10pt\"> <\/span><\/p>\n<p>\u00a0<\/p>\n<p><span style=\"font-family:Verdana;color:red;font-size:10pt\"><em>&#8220;Exchange Server ActiveSync and Exchange Outlook Mobile Access (OMA) use the \/Exchange virtual directory to access OWA templates and DAV on Exchange back-end servers on which the user&#8217;s mailbox is located. Server ActiveSync and OMA cannot access this virtual directory if either of the following conditions is true: <\/em><\/span><\/p>\n<ul style=\"margin-left:52pt\">\n<li><span style=\"font-family:Verdana;color:red;font-size:10pt\"><em>The \/Exchange virtual directory on an Exchange back-end server is configured to require SSL. <\/em><\/span><\/li>\n<li><span style=\"font-family:Verdana;color:red;font-size:10pt\"><em>Forms-based authentication is enabled. <\/em><\/span><\/li>\n<\/ul>\n<p><span style=\"font-family:Verdana;color:red;font-size:10pt\"><em>This issue does not occur when you enable these settings on the \/Exchange virtual directory on a front-end server.&#8221; <\/em><\/span><\/p>\n<p>\u00a0<\/p>\n<p><span style=\"font-family:Verdana;font-size:10pt\">I performed the fix under &#8216;Method 2&#8217; in the respective Microsoft article, and voila, the iphones started syncing successfully without having Outlook running! <\/span><\/p>\n<p>\u00a0<\/p>\n<p><span style=\"font-family:Verdana;font-size:10pt\">What baffles me are the following: <\/span><\/p>\n<ul>\n<li>\n<div><span style=\"font-family:Verdana;font-size:10pt\">Why did it stop working all of a sudden? <\/span><\/div>\n<ul>\n<li><span style=\"font-family:Verdana;font-size:10pt\">I suspect that the iPhone was the first piece to break. After a server reboot while onsite, &#8216;Outlook Anywhere&#8217; broke as well. I suspect this had something to do with either a patch or something else that was enabled in the background. <\/span><\/li>\n<\/ul>\n<\/li>\n<li>\n<div><span style=\"font-family:Verdana;font-size:10pt\">Why didn&#8217;t it effect &#8216;Outlook Anywhere&#8217;? <\/span><\/div>\n<ul>\n<li><span style=\"font-family:Verdana;font-size:10pt\">Well, actually it did. I rebooted the Exchange server and ran into issues where some staff were unable to log back into &#8216;Outlook Anywhere&#8217;, until after I applied the fix above. I suspect the issue sat there dormant, and when I rebooted the server, the issue came to life. <\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Kudo&#8217;s to Avi for the solution, write-up and persistance&#8230; \u00a0 I didn&#8217;t think we were ever going to get to the bottom of this issue. Web forums and support sites offered little in assistance to the fix, in fact, many people are still baffled, and have thus not resolved the issue.\u00a0The symptoms were as follows: &hellip; <a href=\"https:\/\/regroove.ca\/brainlitter\/2010\/03\/24\/fix-for-iphones-not-playing-nice-with-activesync\/\"><\/a><\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[4,12],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fix for iPhones not playing nice with ActiveSync - Brainlitter - Inside the mind of Sean Wallbridge<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/regroove.ca\/brainlitter\/2010\/03\/24\/fix-for-iphones-not-playing-nice-with-activesync\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fix for iPhones not playing nice with ActiveSync - Brainlitter - Inside the mind of Sean Wallbridge\" \/>\n<meta property=\"og:description\" content=\"Kudo&#8217;s to Avi for the solution, write-up and persistance&#8230; \u00a0 I didn&#8217;t think we were ever going to get to the bottom of this issue. 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