Symptoms


The following error message is shown in UX1 of customer on Office 365 tab:


A task was canceled


It can be seen from log of Office 365 that various Office 365 operations are failing:


2020-03-12 09:32:05,263 <4980> [  79] ERROR aps_endpoint: TenantsController.GetMSSubscriptionsInfoFast finished: ("adbf626f-0b51-4e2d-a32b-c8b8bc18c47e", "762d3cd5-05d3-41d1-b830-a17b2fd12f5a", "d13b4cd6-dc47-40b8-b3bc-e089ca636105") by exception Microsoft.Store.PartnerCenter.Exceptions.PartnerException: A task was canceled.
2020-03-12 09:32:05,263 <4980> [ 123] ERROR aps_endpoint: Office365AppController.GetStorageOffers finished: ("d13b4cd6-dc47-40b8-b3bc-e089ca636105") by exception Microsoft.Store.PartnerCenter.Exceptions.PartnerException:
 A task was canceled.
2020-03-12 09:32:05,263 <4980> [   5] ERROR aps_endpoint: Office365UsersController.GetUserLicenses finished: ("da78ca63-b1b1-420a-a7cc-d3762e6fbe56", "c4dd85cc-0e33-4df3-9506-cbf54e989234") by exception Microsoft.Store.PartnerCenter.Exceptions.PartnerException: A task was canceled.
2020-03-12 09:32:05,263 <4980> [  50] ERROR aps_endpoint: TenantsController.GetMSSubscriptionsInfoFast finished: ("09024725-b239-42a9-974f-130abfa3c0f3", "940f607c-3695-49bc-a4b7-234ee50710f0", "d13b4cd6-dc47-40b8-b3bc-e
089ca636105") by exception Microsoft.Store.PartnerCenter.Exceptions.PartnerException: A task was canceled.
2020-03-12 09:32:05,263 <4980> [  90] ERROR aps_endpoint: Office365AppController.GetStorageOffers finished: ("d13b4cd6-dc47-40b8-b3bc-e089ca636105") by exception Microsoft.Store.PartnerCenter.Exceptions.PartnerException:
 A task was canceled.



Cause


The issue is caused by instability on Microsoft side.


Resolution


  1. Perform restart of IIS service on Office 365 endpoint (type "iisreset" in command line).
  2. If it did not help, contact Microsoft support in order to resolve the issue.