{"id":16482,"date":"2019-10-09T09:17:15","date_gmt":"2019-10-09T16:17:15","guid":{"rendered":"http:\/\/cirasync.com\/?p=16482"},"modified":"2026-01-18T10:05:59","modified_gmt":"2026-01-18T17:05:59","slug":"contacts-calendars-sync-lag","status":"publish","type":"post","link":"https:\/\/cirasync.com\/support\/contacts-calendars-sync-lag\/","title":{"rendered":"Why does CiraSync take so long to sync my contacts and calendars?"},"content":{"rendered":"<p>There are multiple factors that can affect CiraSync performance. These include the following:<\/p>\n<ul>\n<li>Number of mailbox in a tenant<\/li>\n<li>Amount of updates that need to be made<\/li>\n<li>Type of data that needs to be written in<\/li>\n<li>Current performance of Exchange Web Services (EWS)<\/li>\n<\/ul>\n<p>Below are steps you can take to speed up CiraSync sync tasks:<\/p>\n<ol>\n<li><a href=\"http:\/\/cirasync.com\/support\/setting-multiple-services-accounts\/\">Set up your CiraSync tenant to use multiple service accounts<\/a>.<\/li>\n<li>Enable the CiraSync streamer in the\u00a0<strong>Schedule\u00a0<\/strong>pane of the CiraSync dashboard if the sync source is a shared mailbox or a Public Folder. CiraSync will then periodically read the source and then sync any changes found to user mailboxes.\u00a0 <div class='et-box et-info'>\n\t\t\t\t\t<div class='et-box-content'><strong>NOTE:<\/strong> Unfortunately, CiraSync has no control over the performance of EWS, and no workaround exists to improve its performance.<\/div><\/div><\/li>\n<\/ol>\n<p>If you want more scheduled updates to occur, check out this article on <a href=\"\/support\/contact-sync-update-results\/\">The CiraSync Streamer and How to See Contact Sync Result Reports<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There are multiple factors that can affect CiraSync performance. These include the following: Number of mailbox in a tenant Amount of updates that need to be made Type of data that needs to be written in Current performance of Exchange Web Services (EWS) Below are steps you can take to speed up CiraSync sync tasks: [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":46650,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"page-special.php","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_nextfly_llmd_date_locked":false,"footnotes":""},"categories":[1417,1420,1459],"tags":[4417],"ppma_author":[13546],"class_list":["post-16482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-calendar-sync","category-contact-sync","category-support","tag-faq"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Why Does CiraSync Sync Contacts So Slowly?<\/title>\n<meta name=\"description\" content=\"There are mutliple factors that can affect CiraSync performance durinc a sync task. Follow these tips to learn how to improve CiraSync performance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cirasync.com\/es\/soporte\/contacts-calendars-sync-lag\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why does CiraSync take so long to sync my contacts and calendars?\" \/>\n<meta property=\"og:description\" content=\"There are mutliple factors that can affect CiraSync performance durinc a sync task. Follow these tips to learn how to improve CiraSync performance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cirasync.com\/es\/soporte\/contacts-calendars-sync-lag\/\" \/>\n<meta property=\"og:site_name\" content=\"CiraSync\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CiraSync\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-10-09T16:17:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-18T17:05:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cirasync.com\/wp-content\/uploads\/2019\/04\/Cirasync_share_1200x630-01.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Ema Zulic\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@CiraSync\" \/>\n<meta name=\"twitter:site\" content=\"@CiraSync\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ema Zulic\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/cirasync.com\/es\/soporte\/contacts-calendars-sync-lag\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/cirasync.com\/support\/contacts-calendars-sync-lag\/\"},\"author\":{\"name\":\"Ema Zulic\",\"@id\":\"https:\/\/cirasync.com\/es\/#\/schema\/person\/a179dfe101e83de2d1e79161e39e58d0\"},\"headline\":\"Why does CiraSync take so long to sync my contacts and calendars?\",\"datePublished\":\"2019-10-09T16:17:15+00:00\",\"dateModified\":\"2026-01-18T17:05:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/cirasync.com\/support\/contacts-calendars-sync-lag\/\"},\"wordCount\":164,\"publisher\":{\"@id\":\"https:\/\/cirasync.com\/es\/#organization\"},\"image\":{\"@id\":\"https:\/\/cirasync.com\/es\/soporte\/contacts-calendars-sync-lag\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cirasync.com\/wp-content\/uploads\/2024\/05\/CiraSync-Knowledge-Base-1080x630-Light.jpg\",\"keywords\":[\"FAQ\"],\"articleSection\":[\"Calendar Sync\",\"Contact Sync\",\"Support Articles\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cirasync.com\/support\/contacts-calendars-sync-lag\/\",\"url\":\"https:\/\/cirasync.com\/es\/soporte\/contacts-calendars-sync-lag\/\",\"name\":\"Why Does CiraSync Sync Contacts So Slowly?\",\"isPartOf\":{\"@id\":\"https:\/\/cirasync.com\/es\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/cirasync.com\/es\/soporte\/contacts-calendars-sync-lag\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/cirasync.com\/es\/soporte\/contacts-calendars-sync-lag\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cirasync.com\/wp-content\/uploads\/2024\/05\/CiraSync-Knowledge-Base-1080x630-Light.jpg\",\"datePublished\":\"2019-10-09T16:17:15+00:00\",\"dateModified\":\"2026-01-18T17:05:59+00:00\",\"description\":\"There are mutliple factors that can affect CiraSync performance durinc a sync task. 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