Build on SharePoint
The blog of Sam Betts on SharePoint application development - full of lot's of useful info, guides, and various cats.
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SharePoint AppFabric Error - Failed to connect to hosts in the cluster
Or “ErrorCode<ERRCAdmin040>:SubStatus<ES0001>:Failed to connect to hosts in the cluster” if you want the full error. This is just a quick-one. You may see this error if you try and add a SharePoint server to AppFabric cluster. It can happen if there is a “cluster” configured but none of the...
2 Apr 2015
Graceful SharePoint AppFabric Restarts
Many people have asked about how to cleanly restart an AppFabric server so data in the cache isn’t lost and may have even found they’ve not been able to get it to work themselves. It’s a good question; I hope to answer how here to some extent, partly because the official commands don’t actually work...
12 Mar 2015
AppFabric Distributed Logon Token/ViewState Cache is Timing-Out - Continued
In a previous post I described how to troubleshoot AppFabric timeouts a problem which many customers have seen, most acutely when SharePoint is under heavy load. One thing consistent to almost every case is that the main victims/culprits for timeouts are view-state and login caches, and since writing...
17 Feb 2015
Troubleshooting SharePoint Event ID 6393
This event ID means “a SharePoint timer job had an unexpected failure” in short. Admittedly this isn’t overly informative given how many different timer-jobs there are for any given SharePoint farm. Your first challenge is therefore figuring out which job it’s talking about which shouldn’t be too hard...
24 Sep 2014
Reduce AppFabric Calls to Active Directory for SharePoint Farms
AppFabric is a key part of any SharePoint 2013 as we all know by now. It’s used for many things indeed all over the product and AppFabric in turn uses Active Directory to make sure only authorised processes get access to the cache data. Thus when SharePoint uses AppFabric, it opens a new TCP connection...
29 Jul 2014
Troubleshooting AppFabric Error Messages for SharePoint
Otherwise entitled “The Mysteries of the Wobbly AppFabric Cache-Cluster”. In the daily running of on-premise SharePoint 2013, you may have seen errors & warnings logged about AppFabric/the distributed cache cluster. This article is to clear up why they might be happening. Errors such as: Connection...
16 Jul 2014
Troubleshooting AppFabric Timeouts on SharePoint
SharePoint 2013 uses AppFabric to host a bunch of stuff in a cache-cluster. This is awesome mainly because each web-front-end server doesn’t have its’ own cache island that can’t be shared with the other web-front-ends and the likelihood of a cache-miss is much lower (especially if...
28 May 2014
SharePoint 2013 + Distributed Cache (AppFabric) Troubleshooting
Two messages you may have seen if you’ve administered SharePoint 2013 in anyway way about caching are “This Distributed Cache host may cause cache reliability problems” and/or “cacheHostInfo is null” from PowerShell. This article is about how to fix those errors & caching...
19 Mar 2014
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