Unable to cast object of type 'System.Byte[]' to type 'System.String'

10/23/2018 11:15 AM

10/23/2018 11:15 AM

The following error message appears when trying to add an AD group in Orion:

Unable to cast object of type 'System.Byte[]' to type 'System.String'

The logs show the following error:

2014-05-08 11:48:19,449 [8] WARN  SolarWinds.Orion.Web.AuthorizationManager - Get All AD Groups of xxxxxx in LDAP://WRIT. System.Runtime.InteropServices.COMException (0x8000500C): Unknown error (0x8000500c)
   at System.DirectoryServices.PropertyValueCollection.PopulateList()
   at System.DirectoryServices.PropertyValueCollection..ctor(DirectoryEntry entry, String propertyName)
   at System.DirectoryServices.PropertyCollection.get_Item(String propertyName)
   at SolarWinds.Orion.Web.AuthorizationManager.WindowsAuthorizationManager.GetActiveDirectoryGroups(String identName, String domainName, Boolean& faulted)
2014-05-08 11:48:58,996 [5] ERROR SolarWinds.Orion.Web.AccountSearchHelper - Error occurred performing LDAP search in AccountSearchHelper. Exception: System.InvalidCastException: Unable to cast object of type 'System.Byte[]' to type 'System.String'.
   at SolarWinds.Orion.Web.AccountInfo..ctor(SearchResult searchResult)
   at SolarWinds.Orion.Web.AccountSearchHelper.SearchUsingLDAP(String patternToSearch, String domain, String sortDirection, Boolean isGroupSearch)
2014-05-08 11:48:58,996 [5] ERROR SolarWinds.Orion.Web.AccountSearchHelper - Error occurred performing search in AccountSearchHelper. Exception: Unable to cast object of type 'System.Byte[]' to type 'System.String'.
2014-05-08 11:48:58,996 [5] ERROR AccountManagement - Could not find account details on the specified domain.  Details: Unable to cast object of type 'System.Byte[]' to type 'System.String'.

 

Network Performance Monitor

There is a known Windows behavior that changed recently and this change also effected SolarWinds.

Kindly upgrade Orion to its latest version.