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Article ID: 132153, created on Jan 29, 2018, last review on Jan 29, 2018

  • Applies to:
  • Operations Automation


Office 365 Compatibility checker (available since 17.2) has been configured according to Office 365 documentation

However, when customer tries to upgrade an Office 365 License from CCP > Office 365 > Licenses > Upgrade (button), 500 Internal Server error appears after 30 seconds of waiting.

In C:\inetpub\wwwroot\O365_Endpoint\App_data\sitelog we can see the following during the upgrade attempt:

DEBUG aps_endpoint: Call GetUpgradeTargetPlans(accountId: 1000001, subsId: 1000003, checkerUrl:, categoryList:[13829;])
DEBUG aps_endpoint: Get incompatible plans from /o365/check.php?acc=1000001&cat=13829&subId=1000003
ERROR aps_endpoint: Error:
System.Net.WebException: The remote server returned an error: (500) Internal Server Error.
   at System.Net.HttpWebRequest.GetResponse()
   at Office365.PBA.PBAProcessor.GetIncomptiblePlans(String checkerUrl, Int32 accountId, Int32 categoryId, Int32 subId) in c:\inetpub\wwwroot\O365App\App_Code\pba\PBAProcessor.cs:line 277


Customer has many Office 365 Service Plans in Billing and check.php script that sends API requests to Billing is executed for more than 30 seconds. The Branding node has max_execution_time for php scripts configured to 30 seconds in /etc/php.ini on the Branding server.


Change max_execution_time in /etc/php.ini on the Branding server and reload httpd service:

service httpd reload

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