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I'm trying to update the size of Distribute cache but keep getting the below error:

"set-cachehostconfig : Object reference not set to an instance of an object. At line:1 char:1 + set-cachehostconfig -CacheSize 1228 -cacheport 22233 -hostname usa0300vm1160 + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [Set-AFCacheHostConfiguration] , NullReferenceException + FullyQualifiedErrorId : System.NullReferenceException,Microsoft.Applicat ionServer.Caching.Commands.SetAFCacheHostConfigurationCommand"**

Distributed cache is running on only one server(out of 3).

I even tried Update-SPDistributedCacheSize but get the same error.

  • did you try this blogs.technet.com/b/sp/archive/2013/05/29/… – Karthik Jaganathan Mar 22 '16 at 8:35
  • check this too nikpatel.net/2013/09/26/… – Karthik Jaganathan Mar 22 '16 at 8:36
  • @KarthikJaganathan I use the same command and approach as described in both articles but get only error message – George Mar 22 '16 at 8:54
  • Are you running this on a host with DC deployed? Do you have >1 DC server, if so, drop down to one before running the cmdlet. – Trevor Seward Mar 22 '16 at 14:13
  • @TrevorSeward Yes,I'm running on a host with DC deployed and i have only one server where DC is enabled. Even on a standalone Dev machine,I get this error while updating the cache size – George Mar 22 '16 at 14:24
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After lot of tries,I finally updated the Distributed Cache size.

I used the following commands multiple times in the same order: Give 2 minutes gap between Remove and Add commands

Stop-SPDistributedCacheServiceInstance -Graceful

$instanceName ="SPDistributedCacheService Name=AppFabricCachingService" 
$serviceInstance = Get-SPServiceInstance | ? {($_.service.tostring()) -eq $instanceName -and ($_.server.name) -eq $env:computername} 
$serviceInstance.delete()

Remove-SPDistributedCacheServiceInstance

Add-SPDistributedCacheServiceInstance 

Update-SPDistributedCacheSize 

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