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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / how to completely clea...
Microsoft Dynamics CRM (Archived)

how to completely clear cache?

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Posted on by Community Member

Hello - What steps can I take to completely clear cache from a CRM perspective? Essentially, when troubleshooting CRM, if someone asks if caching is potentially a factor then I want to be in a position to say that I systematically cleared all cache on the server, as part of the troubleshooting process?

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  • Suggested answer
    ScottDurow Profile Picture
    ScottDurow 21 on at

    AFAIK there are no database persistent caches with Dynamics CRM, so an iisreset will clear the cache from the Web Client. Restarting the Email router & Async servers will clear their caches. Reporting Services has a cache that is session related, so closing and reopening the browser should clear that.

    Some CRM extensions/solutions might include their own custom caching mechanisms as well.

    There are plenty of other windows related caches (DNS resolution) - so a reboot probably would be the safest option!!

    hth,

    Scott

  • Community Member Profile Picture
    Community Member on at

    Thanks Scott - Regarding this question, one of my main points of curiosity was the first line in the error stack trace of another question I posted:

    community.dynamics.com/.../222002.aspx

    And this is the first line of the error stack trace from my previous post:

    Microsoft.Crm.Caching.OrganizationSettingsCacheLoader.LoadCacheData(Guid key, ExecutionContext context)

    Do you know what this method does?  It ultimately loads data from AD (DirectoryServices), but since the word "cache" exists in the namespace, class and method, it would be helpful for me to understand what it does so I could at least explain what this method call does in this stack trace?

  • Community Member Profile Picture
    Community Member on at

    Thanks Scott.  I'm assuming that session cache in client browsers will be invalidated when you reboot the server, can you please confirm?

  • Verified answer
    ScottDurow Profile Picture
    ScottDurow 21 on at

    The LoadCacheData loads up lots of settings as well as some Server related AD elements - all these cache settings would be cleared with an iisreset.

    Yes- the client sessions would be invalidated with a SSRS server re-boot - in fact it will probably throw a session error if a report is refreshed. Dynamics CRM has no client side session state - it is essentially stateless. There obviously lots of client side CSS/Javascript files that are cached, and they will need to be cleared per client.

    hth

    Scott

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