Virtual Apps 7.15 CU5: VDAs are not registering with Delivery Controller.

Virtual Apps 7.15 CU5: VDAs are not registering with Delivery Controller.

book

Article ID: CTX272377

calendar_today

Updated On:

Description

Virtual Apps 7.15 CU5: VDA is not registering with Delivery Controller.

VDA health assistant tool check will have following error:

Exception 'Object reference not set to an instance of an object.' of type 'System.NullReferenceException'

Following registration event id is logged:
The registration request was rejected by DDC. CdsEventWorkerUnknownRegistrationError is logged in the traces. Reason is “internal error”

DDC CDF trace has following event:
XXXX,X,YYYY-MM-DD hh:mm:ss:xxxxx,xxxxx,xxxxx,x,BrokerComponent,,0,,1,Error,"IRegistrar.Register(S-x-x-xx-xxxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxx): Exception System.DllNotFoundException: Unable to load DLL 'CredentialSecurity.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)

 

Resolution

1. Install VC++ redistributable version 14.0.2212.
The installer is available here: https://www.microsoft.com/en-us/download/details.aspx?id=53587

2. Please ensure Microsoft update KB3118401 is present.

Problem Cause

CVAD 7.15 CU5 is incompatible with version above VC++ redistributable version 14.0.2212