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Dynamics 365 Community / Forums / Finance | Project Operations, Human Resources, ... / How to solve Preparati...
Finance | Project Operations, Human Resources, ...
Answered

How to solve Preparation failed error during service update

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Posted on by Saran S 331
Hi community,
 
When I try to apply a service update on my Dev environment, I receive a /Preparation failed/ error, and the log is also empty.
I attempted the update using the LCS admin login.
My C drive has 40GB of free space, and my K drive has over 200GB of free space, but I still encounter the error.
Does anyone have a solution for this issue?
I have the same question (0)
  • Suggested answer
    Anthony Blake Profile Picture
    Anthony Blake 3,092 Super User 2026 Season 1 on at
    My usual checklist would be something like:
     
    Check admin account is still default in LCS
    Check diskspace: already done
    Check everything closed, e.g. visual studio
    Restart box and retry
    Make sure custom code on the box is in a build state - if not, build models and then restart (no sync needed)
    Finally the sledgehammer approach - provision a replacement
     
  • Verified answer
    Saran S Profile Picture
    Saran S 331 on at
    Resolved.
     
    The SSL certificate had expired.
    After rotating the SSL certificate from LCS and performing the service update, it is now working.

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