{"id":1690,"date":"2013-03-28T08:00:00","date_gmt":"2013-03-28T12:00:00","guid":{"rendered":"http:\/\/www.bhargavs.com\/?p=527"},"modified":"2013-03-28T08:00:00","modified_gmt":"2013-03-28T12:00:00","slug":"configuring-lync-2013-mobility-for-push-notifications","status":"publish","type":"post","link":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/","title":{"rendered":"Understanding Push Notifications for Lync 2013 Mobility"},"content":{"rendered":"

With release of Lync 2013, Cummulative Update in February 2013, Microsoft enabled Lync 2013 deployments to serve mobile users. Release of mobile clients for Windows Phone 8, Apple iPhone\/iPad and Android devices completes the solution as a whole.<\/p>\n

Setting up mobility for a pure Lync 2013 environment (I am not going to cover Lync 2010 co-existence today), is relatively straight forward process. You can refer to \u201cDeployment Process for Mobility<\/a>\u201d for more details.<\/p>\n

Configuring push notification, however, turned out to be a bit of challenge for me. Not necessarily because the configuration is complicated, it probably was lack of clear understanding of the process flow.<\/p>\n

It started with \u201c504 server timeout\u201d message in my IM window when I tried to send a message from my lync user on desktop to Lync user using Lync 2013 for Windows Phone 8.<\/p>\n

Friendly snooper showed a \u201c408 Request Timeout\u201d along with diagnostics message [Reason=”The client did not respond to the invitation”;info=”No push subscription for target device”].<\/p>\n

Using Lync Logging on Front-End server showed the following call flow:<\/p>\n

\"image\"<\/a><\/p>\n

I noticed that the call to push.lync.com was timing out. But since the call was going to Edge server (172.16.101.16), I assumed there was something wrong in Edge server configuration.<\/p>\n

Logging on Edge server showed me few messages. One of the message looked like the following:<\/p>\n

\n

Exit – domain [push.lync.com] is unknown and DNS SRV results did not match anything<\/p>\n<\/blockquote>\n

This error made it look like a DNS issue. However, I knew it wasn\u2019t a DNS issue. I was able to resolve the name and ping it from Edge server. Then came the next message:<\/p>\n

\n

domain=”push.lync.com”;fqdn1=”sipfed.online.lync.com:5061″;reason=”The domain of the message is not configured and does not appear to belong to a federated partner”<\/p>\n<\/blockquote>\n

That\u2019s when I realized that even though I had LyncOnline hosted provider configured using sipfed.online.lync.com, I didn\u2019t have push.lync.com in allowed list of SIP Federated Domains. Adding it was simple step. It is also documented here: Configuring for Push Notifications<\/a><\/p>\n

Since we are talking a strict Lync 2013 deployment with Lync 2013 mobile clients only, I feel the need to mention that Push notification is not required for Apple devices anymore. It was required for Lync 2010 Mobile clients on Apple devices. However, Push notification is required for Lync 2013 clients on Windows Phone. The reason for this is apparent in Mobile Client Comparison Tables<\/a> article on TechNet which states iPhone\/iPad client stays signed in for upto 10 days and support for push notifications isn\u2019t available. What it doesn\u2019t say, which was covered in Lync Conference and is also documented on my good friend Doug Deitterick\u2019s blog post Lync 2013 Mobility<\/a>, is that it uses VOIP socket instead of push notifications. All this leaves only Windows Phone up for discussion.<\/p>\n

Being a visual creature, I figured a picture would do more justice in explaining the call flow for Windows Phone push notifications (click on picture for larger view):<\/p>\n

\"image\"<\/a><\/p>\n

Here\u2019s some explanation to help complete the picture:<\/p>\n

    \n
  1. Lync 2013 on Windows Phone suscribes for push notifications<\/li>\n
  2. Desktop client or federated client initiates communication to Windows Phone user<\/li>\n
  3. Lync 2013 Front-End pool connects to Edge server configured for federation (defined in topology in site configuration)<\/li>\n
  4. Lync 2013 Edge Server connects to push notification service push.lync.com using hosted provider sipfed.online.lync.com<\/li>\n
  5. Push notification service delivers the notification to Lync 2013 mobile client on Windows Phone<\/li>\n<\/ol>\n

    I hope my long rambling provides some clarity and insight into Lync 2013 mobility\u2019s push notification call flow for Widows Phone. Cheers.<\/p>\n","protected":false},"excerpt":{"rendered":"

    With release of Lync 2013, Cummulative Update in February 2013, Microsoft enabled Lync 2013 deployments to serve mobile users. Release of mobile clients for Windows Phone 8, Apple iPhone\/iPad and […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[59],"tags":[159,181,281],"class_list":["post-1690","post","type-post","status-publish","format-standard","hentry","category-lync-2013","tag-lync-2013","tag-mobility","tag-windows-phone"],"yoast_head":"\nUnderstanding Push Notifications for Lync 2013 Mobility - Bhargav's IT Playground<\/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:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding Push Notifications for Lync 2013 Mobility - Bhargav's IT Playground\" \/>\n<meta property=\"og:description\" content=\"With release of Lync 2013, Cummulative Update in February 2013, Microsoft enabled Lync 2013 deployments to serve mobile users. Release of mobile clients for Windows Phone 8, Apple iPhone\/iPad and […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/\" \/>\n<meta property=\"og:site_name\" content=\"Bhargav's IT Playground\" \/>\n<meta property=\"article:published_time\" content=\"2013-03-28T12:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/bhargavs.com\/wp-content\/uploads\/2013\/03\/image_thumb1.png\" \/>\n<meta name=\"author\" content=\"Bhargav\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bhargav\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/\"},\"author\":{\"name\":\"Bhargav\",\"@id\":\"https:\\\/\\\/bhargavs.com\\\/#\\\/schema\\\/person\\\/28f6d8c9b29f3a879483d65fc2ab5e26\"},\"headline\":\"Understanding Push Notifications for Lync 2013 Mobility\",\"datePublished\":\"2013-03-28T12:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/\"},\"wordCount\":601,\"commentCount\":9,\"publisher\":{\"@id\":\"https:\\\/\\\/bhargavs.com\\\/#\\\/schema\\\/person\\\/28f6d8c9b29f3a879483d65fc2ab5e26\"},\"image\":{\"@id\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/bhargavs.com\\\/wp-content\\\/uploads\\\/2013\\\/03\\\/image_thumb1.png\",\"keywords\":[\"Lync 2013\",\"Mobility\",\"Windows Phone\"],\"articleSection\":[\"Lync 2013\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/\",\"url\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/\",\"name\":\"Understanding Push Notifications for Lync 2013 Mobility - Bhargav's IT Playground\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/bhargavs.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/bhargavs.com\\\/wp-content\\\/uploads\\\/2013\\\/03\\\/image_thumb1.png\",\"datePublished\":\"2013-03-28T12:00:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/#primaryimage\",\"url\":\"https:\\\/\\\/bhargavs.com\\\/wp-content\\\/uploads\\\/2013\\\/03\\\/image_thumb1.png\",\"contentUrl\":\"https:\\\/\\\/bhargavs.com\\\/wp-content\\\/uploads\\\/2013\\\/03\\\/image_thumb1.png\",\"width\":244,\"height\":87},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/bhargavs.com\\\/index.php\\\/2013\\\/03\\\/28\\\/configuring-lync-2013-mobility-for-push-notifications\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/bhargavs.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Understanding Push Notifications for Lync 2013 Mobility\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/bhargavs.com\\\/#website\",\"url\":\"https:\\\/\\\/bhargavs.com\\\/\",\"name\":\"Bhargav's IT Playground\",\"description\":\"Passion for Technology. Power of Collaboration.\",\"publisher\":{\"@id\":\"https:\\\/\\\/bhargavs.com\\\/#\\\/schema\\\/person\\\/28f6d8c9b29f3a879483d65fc2ab5e26\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/bhargavs.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/bhargavs.com\\\/#\\\/schema\\\/person\\\/28f6d8c9b29f3a879483d65fc2ab5e26\",\"name\":\"Bhargav\",\"logo\":{\"@id\":\"https:\\\/\\\/bhargavs.com\\\/#\\\/schema\\\/person\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/bhargavs.com\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Understanding Push Notifications for Lync 2013 Mobility - Bhargav's IT Playground","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/","og_locale":"en_US","og_type":"article","og_title":"Understanding Push Notifications for Lync 2013 Mobility - Bhargav's IT Playground","og_description":"With release of Lync 2013, Cummulative Update in February 2013, Microsoft enabled Lync 2013 deployments to serve mobile users. Release of mobile clients for Windows Phone 8, Apple iPhone\/iPad and […]","og_url":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/","og_site_name":"Bhargav's IT Playground","article_published_time":"2013-03-28T12:00:00+00:00","og_image":[{"url":"https:\/\/bhargavs.com\/wp-content\/uploads\/2013\/03\/image_thumb1.png","type":"","width":"","height":""}],"author":"Bhargav","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Bhargav","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/#article","isPartOf":{"@id":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/"},"author":{"name":"Bhargav","@id":"https:\/\/bhargavs.com\/#\/schema\/person\/28f6d8c9b29f3a879483d65fc2ab5e26"},"headline":"Understanding Push Notifications for Lync 2013 Mobility","datePublished":"2013-03-28T12:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/"},"wordCount":601,"commentCount":9,"publisher":{"@id":"https:\/\/bhargavs.com\/#\/schema\/person\/28f6d8c9b29f3a879483d65fc2ab5e26"},"image":{"@id":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/#primaryimage"},"thumbnailUrl":"https:\/\/bhargavs.com\/wp-content\/uploads\/2013\/03\/image_thumb1.png","keywords":["Lync 2013","Mobility","Windows Phone"],"articleSection":["Lync 2013"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/","url":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/","name":"Understanding Push Notifications for Lync 2013 Mobility - Bhargav's IT Playground","isPartOf":{"@id":"https:\/\/bhargavs.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/#primaryimage"},"image":{"@id":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/#primaryimage"},"thumbnailUrl":"https:\/\/bhargavs.com\/wp-content\/uploads\/2013\/03\/image_thumb1.png","datePublished":"2013-03-28T12:00:00+00:00","breadcrumb":{"@id":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/#primaryimage","url":"https:\/\/bhargavs.com\/wp-content\/uploads\/2013\/03\/image_thumb1.png","contentUrl":"https:\/\/bhargavs.com\/wp-content\/uploads\/2013\/03\/image_thumb1.png","width":244,"height":87},{"@type":"BreadcrumbList","@id":"https:\/\/bhargavs.com\/index.php\/2013\/03\/28\/configuring-lync-2013-mobility-for-push-notifications\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/bhargavs.com\/"},{"@type":"ListItem","position":2,"name":"Understanding Push Notifications for Lync 2013 Mobility"}]},{"@type":"WebSite","@id":"https:\/\/bhargavs.com\/#website","url":"https:\/\/bhargavs.com\/","name":"Bhargav's IT Playground","description":"Passion for Technology. Power of Collaboration.","publisher":{"@id":"https:\/\/bhargavs.com\/#\/schema\/person\/28f6d8c9b29f3a879483d65fc2ab5e26"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/bhargavs.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":["Person","Organization"],"@id":"https:\/\/bhargavs.com\/#\/schema\/person\/28f6d8c9b29f3a879483d65fc2ab5e26","name":"Bhargav","logo":{"@id":"https:\/\/bhargavs.com\/#\/schema\/person\/image\/"},"sameAs":["https:\/\/bhargavs.com"]}]}},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":1686,"url":"https:\/\/bhargavs.com\/index.php\/2012\/10\/18\/mvp-webinar-load-balancing-lync-2010-2013-in-the-real-world\/","url_meta":{"origin":1690,"position":0},"title":"MVP Webinar: Load Balancing Lync 2010 & 2013 in the Real World","author":"Bhargav","date":"October 18, 2012","format":false,"excerpt":"UPDATE: KEMP Technologies has posted video recording of webinar which can be accessed here: http:\/\/www.kemptechnologies.com\/KEMP-lync-modality-webinar\/ Slide Deck is available here:KEMP Lync Webinar Kemp Technologies is hosting a complimentary webinar on November 8 where we will be discussing Load Balancing for Lync 2010 and 2013. I have included details about webinar\u2026","rel":"","context":"In "Events"","block_context":{"text":"Events","link":"https:\/\/bhargavs.com\/index.php\/category\/events\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1685,"url":"https:\/\/bhargavs.com\/index.php\/2012\/10\/08\/lync-server-control-panel-401-1-unauthorized\/","url_meta":{"origin":1690,"position":1},"title":"Lync Server Control Panel 401.1 Unauthorized","author":"Bhargav","date":"October 8, 2012","format":false,"excerpt":"I was working away in my lab and had recently configured Enterprise Edition pool with first server in the pool running Lync Control Panel. I launched Lync Control Panel to make few changes only to find out it kept asking me for username and password. After multiple tries, I got\u2026","rel":"","context":"In "Lync 2010"","block_context":{"text":"Lync 2010","link":"https:\/\/bhargavs.com\/index.php\/category\/microsoft\/lync-server\/lync-2010\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1096,"url":"https:\/\/bhargavs.com\/index.php\/2015\/10\/13\/office-365-subscribers-how-to-install-lync-or-skype-for-business-client-on-a-mac\/","url_meta":{"origin":1690,"position":2},"title":"Office 365 subscribers – How to install Lync or Skype for Business client on a Mac","author":"Bhargav","date":"October 13, 2015","format":false,"excerpt":"I needed to work on a problem with Outlook for Mac not being able to sustain connection to on-premise Exchange 2013 server. Being used to the install process on PC, I headed over to my Office365 login via outlook.office365.com. Upon logging in, I clicked on \"Office 365\" and then clicked\u2026","rel":"","context":"In "Office 365"","block_context":{"text":"Office 365","link":"https:\/\/bhargavs.com\/index.php\/category\/cloud\/office-365\/"},"img":{"alt_text":"2015-10-13_13-07-16","src":"https:\/\/i0.wp.com\/bhargavs.com\/wp-content\/uploads\/2015\/10\/2015-10-13_13-07-16_thumb.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1684,"url":"https:\/\/bhargavs.com\/index.php\/2012\/10\/06\/test-csgroupim-operation-has-timed-out\/","url_meta":{"origin":1690,"position":3},"title":"Test-CsGroupIm operation has timed out","author":"Bhargav","date":"October 6, 2012","format":false,"excerpt":"Yet another one of those interesting discoveries that took most of my afternoon to figure out. What I was trying this time was synthetic test cmdlets available to test different workloads in Lync Server 2010. I was testing IM conferencing. I had two users in this scenarios homed on different\u2026","rel":"","context":"In "Firewall"","block_context":{"text":"Firewall","link":"https:\/\/bhargavs.com\/index.php\/category\/technology\/firewall\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1683,"url":"https:\/\/bhargavs.com\/index.php\/2012\/10\/05\/automatic-collection-of-configuration-data-failed\/","url_meta":{"origin":1690,"position":4},"title":"Automatic collection of configuration data failed","author":"Bhargav","date":"October 5, 2012","format":false,"excerpt":"As I was building my Lync 2010 lab today, I came across an interesting problem. I am calling it interesting because I had already installed two front-end servers which were going to be in an enterprise pool. Now was the time to install SE in simulated multi-site environment. As I\u2026","rel":"","context":"In "Firewall"","block_context":{"text":"Firewall","link":"https:\/\/bhargavs.com\/index.php\/category\/technology\/firewall\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1695,"url":"https:\/\/bhargavs.com\/index.php\/2013\/05\/13\/how-to-setup-office-web-apps-server-2013-farm\/","url_meta":{"origin":1690,"position":5},"title":"How to setup Office Web Apps Server 2013 farm","author":"Bhargav","date":"May 13, 2013","format":false,"excerpt":"If you are deploying Lync Server 2013 and want to present Powerpoint presentations in Web Conferencing, Office Web Apps Server is a requirement. Most references I found talks about deploying a single server, however, I wanted to deploy redundant setup. In today\u2019s post, I\u2019m going to show you how to\u2026","rel":"","context":"In "Load Balancing"","block_context":{"text":"Load Balancing","link":"https:\/\/bhargavs.com\/index.php\/category\/technology\/load-balancing\/"},"img":{"alt_text":"image","src":"https:\/\/i0.wp.com\/bhargavs.com\/wp-content\/uploads\/2013\/05\/image_thumb.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"jetpack_shortlink":"https:\/\/wp.me\/pkROc-rg","_links":{"self":[{"href":"https:\/\/bhargavs.com\/index.php\/wp-json\/wp\/v2\/posts\/1690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bhargavs.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bhargavs.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bhargavs.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bhargavs.com\/index.php\/wp-json\/wp\/v2\/comments?post=1690"}],"version-history":[{"count":0,"href":"https:\/\/bhargavs.com\/index.php\/wp-json\/wp\/v2\/posts\/1690\/revisions"}],"wp:attachment":[{"href":"https:\/\/bhargavs.com\/index.php\/wp-json\/wp\/v2\/media?parent=1690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bhargavs.com\/index.php\/wp-json\/wp\/v2\/categories?post=1690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bhargavs.com\/index.php\/wp-json\/wp\/v2\/tags?post=1690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}