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 "Unable to refresh" after upgrade 7.15 CU1 to CU4

Peter van Leeuwen

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After upgrading from CU1 to CU4  we have the same issue as mentioned by user mfranz on 17 december, "Unable to refresh".
Eventlog: Citrix Delivery Services Admin, eventid: 0

System.ArgumentNullException: Value cannot be null.
Parameter name: source
   at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source)
   at Citrix.DeliveryServices.Admin.Stores.PowerShell.Extensions.StoreServiceExtension.ToStoreSummary(StoreService storeService, ICertificate iisCertificate, String iisSiteName, Boolean useHttps)
   at System.Linq.Enumerable.WhereSelectListIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereEnumerableIterator`1.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Citrix.DeliveryServices.Admin.Stores.PowerShell.StoresBL.GetStores()
   at Citrix.DeliveryServices.Admin.Stores.Controllers.StoresController.RefreshStoreList()


We checked the .msi log after the upgrade which is clean from errors and mentions a successfull update.

Storefront is usable for our users but we can't manage the stores from the MMC so went back to a snapshot with CU1.


Any help is appreciated.


Peter van Leeuwen


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