Running the SyncEngine on Multiple Domains fails with an error: "The server is unwilling to process the request"

  • 16 February 2021
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Running the SyncEngine on Multiple Domains fails with the error: "The server is unwilling to process the request"

kbt169754

PRODUCT
K2 Five
BASED ON
K2 Five (all)
This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice. This article is not considered official documentation for K2 software and is provided "as is" with no warranties.

Issue

This occurs when running the Sync Engine SmartObjects as per the Documentation here: 
https://help.k2.com/onlinehelp/k2five/userguide/5.2/default.htm#ServiceBrokers/SyncService/Sync-Service.htm#Sync

The following error will be raised in the [SyncEngine].[RunHistory] table

Error - The server is unwilling to process the request.

at System.DirectoryServices.SearchResultCollection.ResultsEnumerator.MoveNext()
at SourceCode.Sync.Providers.AD.K2ActiveDirectorySearch.d__10.MoveNext()
at SourceCode.Sync.Providers.AD.Provider.d__22.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at SourceCode.Sync.SyncEngine.d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at SourceCode.Sync.SyncEngine.d__4.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at SourceCode.Sync.Runtime.SyncLocalClient.<>c__DisplayClass20_0.b__0()
at SourceCode.Sync.Runtime.Extensions.<>c__DisplayClass2_0.b__0()
at SourceCode.Sync.Runtime.Extensions.LogMethodExecution[T](ILogger logger, Func`1 methodFunc, String source, Boolean throwException, String methodName)

Symptoms

This will prevent any Users or Groups to be synced to the Identity Engine. The error will be raised every time a new sync is started.

It seems that when upgrading from 4.7 - 5.2 or 5.3 the new identity service does not support OU properties as shown in this  LDAP String below.  

Example:
LDAP://OU=Headquarters,OU=Departments,DC=denallix,DC=com

Resolution

The solve this, configure the LDAP correctly with the LDAP String below:

LDAP://DC=DENALLIX,DC=com


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