The DA services stop responding or crash after X minutes of up time.
The Data Access (DA) component will crash due to an issue with the asdijni.dll in the C:\Symantec\Workspace Streaming\Server\common\bin.
The service can crashing with the error repeatedly 'JavaUser::getTokenGroups pUser->Get(L"TokenGroups" failed with 0x8000500d' -Relating the AD property "TokenGroups", the users don't have this property on their user.
Download and copy the asdijni.dll to C:\Symantec\Workspace Streaming\Server\common\bin and restart the services
NOTE: the adsijni.dll attached to this article is for SWS 7.5.x. If you install on 7.6.x it could cause some instability issues.