Windows Server 2008 compatibility

Does anyone know if the following programs are compatible with Windows Server 2008 (which we haven't bought yet - we're getting a new server)?
1. Unilink TB*32 4.5.3 - time and billing program
2. GoSystem Audit 4.5.1 - trial balance program
We are running Windows XP SP3 on the workstations.
I have not found any info onm the Internet and since these are "orphaned" programs for which support has ended, I cannot get any help from a vendor.
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