You can use a prefix to share synchronization objects between 32-bit TestStand and 64-bit TestStand. When the synchronization object name begins with an asterisk or computer name, you can use a 32 or 64 prefix to specify using 32-bit TestStand or 64-bit TestStand to host the out-of-process synchronization object. For example, the name 64*syncobj specifies a synchronization object called *syncobj in the 64-bit TestStand Synchronization Server, even when used from 32-bit TestStand. If you do not use a bitness prefix, 32-bit TestStand hosts out-of-process synchronization objects in a 32-bit process, and 64-bit TestStand hosts out-of-process synchronization objects in a 64-bit process.

Note 32-bit versions of the Microsoft Windows operating system ignore the 64 prefix. If you request a 64-bit synchronization object from a 32-bit TestStand Synchronization Server running on 32-bit Windows, you will receive a 32-bit synchronization object.