{"id":78,"date":"2011-09-05T13:12:55","date_gmt":"2011-09-05T07:42:55","guid":{"rendered":"http:\/\/askadmin.com\/?p=78"},"modified":"2015-04-07T14:23:56","modified_gmt":"2015-04-07T08:53:56","slug":"disable-ipv6-on-exchange-server","status":"publish","type":"post","link":"https:\/\/askadmin.com\/aa\/disable-ipv6-on-exchange-server\/","title":{"rendered":"Disable IPv6 on Exchange server"},"content":{"rendered":"<p>When our complete network is running on ip v4 \u00a0,why \u00a0do we need ipv6 enabled on our server \u00a02008 ? let us unselect the ipv6 \u00a0form \u00a0the network adapter properties &#8230;&#8230; \u00a0ho .. wait &#8230;wait..! I did it on my exchange server 2010 and ran into problems .<\/p>\n<p>If the windows version is \u00a0Windows sbs 2008 (<a href=\"https:\/\/technet.microsoft.com\/en-us\/library\/dd334695(v=ws.10).aspx\" target=\"_blank\">Windows Small Business Server 2008<\/a>) then we may \u00a0encounter some \u00a0issues \u00a0like<\/p>\n<p>&#8220;Exchange server services will fail to start &#8221;\u00a0and the Microsoft Exchange Active Directory Topology service will fail to start .We can see one or more fallowing errors \u00a0in event viwer.<\/p>\n<p>&nbsp;<\/p>\n<p>Application Log Events<\/p>\n<p><span style=\"color: #ff6600;\">Event ID: 2114\u00a0<\/span><\/p>\n<p><span style=\"color: #ff6600;\">Description:\u00a0<\/span><br \/>\n<span style=\"color: #ff6600;\">Process MAD.EXE (PID=2088). Topology discovery failed, error 0x80040a02 (DSC_E_NO_SUITABLE_CDC). Look up the Lightweight Directory Access Protocol (LDAP) error code specified in the event description. To do this, use Microsoft Knowledge Base article 218185, &#8220;Microsoft LDAP Error Codes.&#8221; Use the information in that article to learn more about the cause and resolution to this error. Use the Ping or PathPing command-line tools to test network connectivity to local domain controllers.<\/span><\/p>\n<p><a href=\"https:\/\/askadmin.com\/aa\/2011\/09\/05\/disable-ipv6-on-exchange-server\/error\/\" rel=\"attachment wp-att-82\"><img loading=\"lazy\" class=\"alignleft size-full wp-image-82\" title=\"error\" src=\"https:\/\/askadmin.com\/aa\/aa\/wp-content\/uploads\/2011\/09\/error.jpg\" alt=\"\" width=\"415\" height=\"205\" srcset=\"https:\/\/askadmin.com\/aa\/wp-content\/uploads\/2011\/09\/error.jpg 831w, https:\/\/askadmin.com\/aa\/wp-content\/uploads\/2011\/09\/error-500x246.jpg 500w\" sizes=\"(max-width: 415px) 100vw, 415px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>System log events like,<\/p>\n<p><span style=\"color: #ff6600;\">The Microsoft Exchange Address Book service terminated unexpectedly. \u00a0It has done this 1 time(s). \u00a0The following corrective action will be taken in 5000 milliseconds: Restart the service.<\/span><\/p>\n<p><span style=\"color: #ff6600;\">The Microsoft Exchange RPC Client Access service terminated unexpectedly. \u00a0It has done this 1 time(s). \u00a0The following corrective action will be taken in 5000 milliseconds: Restart the service.<\/span><\/p>\n<p>Also Excahnge server installation will fail with error like below .<\/p>\n<p><span class=\"Apple-style-span\" style=\"color: #ff6600;\">The execution of: \u201c$error.Clear(); if ($RoleStartTransportService) { start-SetupService -ServiceName MSExchangeTransport }\u201d, generated the following error: \u201cService \u2018MSExchangeTransport\u2019 failed to reach\u00a0 status \u2018Running\u2019 on this server.\u201d<\/span><\/p>\n<p><a href=\"https:\/\/askadmin.com\/aa\/2011\/09\/05\/disable-ipv6-on-exchange-server\/exchinstallation\/\" rel=\"attachment wp-att-81\"><img loading=\"lazy\" class=\"alignright size-full wp-image-81\" title=\"exchinstallation\" src=\"https:\/\/askadmin.com\/aa\/aa\/wp-content\/uploads\/2011\/09\/exchinstallation.png\" alt=\"\" width=\"428\" height=\"135\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Though IP v 6\u00a0 is supported\u00a0 fully on windows 2008 server , If we disable ipv6\u00a0 in network interface card (NIC) , we may run into some problems\u00a0 especially if we are running exchange services or trying to install exchange server .<\/p>\n<p>So it is better not to unselect the IPv6 .If we really need to disable ip v6 then unselecting the checkbox is not\u00a0 enough alone. We \u00a0should also change registry modification .<\/p>\n<p>method 1:<\/p>\n<ol>\n<li>Uncheck Internet Protocol Version 6 (TCP\/IPv6) on Network Card.<\/li>\n<li>In Registry Editor, locate and then click the following registry subkey:<span style=\"color: #99cc00;\">\u00a0<strong>HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip6\\Parameters\\<\/strong><\/span><\/li>\n<li>Double-click\u00a0<strong>DisabledComponents<\/strong>\u00a0to modify the\u00a0<strong>DisabledComponents<\/strong>\u00a0entry.<br \/>\n<strong>Note<\/strong>\u00a0If the\u00a0<strong>DisabledComponents<\/strong>\u00a0entry is unavailable, we must create it. To do this, follow these steps:<a href=\"https:\/\/askadmin.com\/aa\/2011\/09\/05\/disable-ipv6-on-exchange-server\/nic\/\" rel=\"attachment wp-att-83\"><img loading=\"lazy\" class=\"alignright size-full wp-image-83\" title=\"nic\" src=\"https:\/\/askadmin.com\/aa\/aa\/wp-content\/uploads\/2011\/09\/nic.png\" alt=\"\" width=\"328\" height=\"308\" \/><\/a><\/p>\n<ol>\n<li>In the\u00a0<strong>Edit<\/strong>\u00a0menu, point to\u00a0<strong>New<\/strong>, and then click\u00a0<strong>DWORD (32-bit) Value<\/strong>.<\/li>\n<li>Type DisabledComponents, and then press ENTER.<\/li>\n<li>Double-click\u00a0<strong>DisabledComponents<\/strong>.<\/li>\n<\/ol>\n<\/li>\n<li>Enter &#8220;<span style=\"color: #99cc00;\"><strong>ffffffff<\/strong><\/span>&#8221; (eight f\u2019s), and then click\u00a0<strong>OK<\/strong>:<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/askadmin.com\/aa\/2011\/09\/05\/disable-ipv6-on-exchange-server\/regedittcpipv6\/\" rel=\"attachment wp-att-84\"><img loading=\"lazy\" class=\"alignleft size-full wp-image-84\" title=\"regedittcpipv6\" src=\"https:\/\/askadmin.com\/aa\/aa\/wp-content\/uploads\/2011\/09\/regedittcpipv6.png\" alt=\"\" width=\"342\" height=\"199\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Quick method 2:<\/p>\n<p>open command prompt with administrator privilages ( right click on command prompt and select run as administrator) \u00a0, and type the command \u00a0<span style=\"color: #99cc00;\">c:\\&gt;reg add hklm\\system\\currentcontrolset\\services\\tcpip6\\parameters \/v DisabledComponents \/t REG_DWORD \/d 255<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>Now finally , \u00a0If we want to run vpn from the serevr on which we disbaled ipv6, we must delete the fallowing registry key and retsrat the server (make sure to export the key\u00a0before\u00a0deleting it)<span class=\"Apple-style-span\" style=\"font-family: Consolas, Monaco, monospace; font-size: 12px; line-height: 18px; white-space: pre;\"><strong>.<\/strong><\/span>\u00a0other wise routing and remote access will fail with event id 20103<\/p>\n<pre>  Event ID   : 20103\r\n  Source     : Router\r\n  Description: Unable to load c:\\winnt\\system32\\iprtrmgr.dll<\/pre>\n<pre><span style=\"color: #99cc00;\"><strong> HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\RemoteAccess\\RouterManagers\\Ipv6<\/strong><\/span><\/pre>\n<pre><\/pre>\n<pre><\/pre>\n<p>&nbsp;<\/p>\n<p><strong><br \/>\n<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When our complete network is running on ip v4 \u00a0,why \u00a0do we need ipv6 enabled on our server \u00a02008 ? let us unselect the ipv6 \u00a0form \u00a0the network adapter properties &#8230;&#8230; \u00a0ho .. wait &#8230;wait..! I did it on my exchange server 2010 and ran into problems . If the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[9],"tags":[81,80,79],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>disable ipv6 on exchange server<\/title>\n<meta name=\"description\" content=\"disable ipv6 on exchange server\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/askadmin.com\/aa\/disable-ipv6-on-exchange-server\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"disable ipv6 on exchange server\" \/>\n<meta property=\"og:description\" content=\"disable ipv6 on exchange server\" \/>\n<meta property=\"og:url\" content=\"https:\/\/askadmin.com\/aa\/disable-ipv6-on-exchange-server\/\" \/>\n<meta property=\"og:site_name\" content=\"Ask Admin - 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