The above error message is observed after installing MS security patch MS03-010 on the server.
A workaround for this problem is to refresh the browser.
A fix is made available in Operating System Upgrade Service Release 2000-2-4sr4 (win-OS-Upgrade-K9.2000-2-4sr4.exe).
As indicated in Cisco IP Telephony Operating System, SQL Server, Security Updates, you can no longer download the upgrade. It has been replaced with win-OS-Upgrade-K9.2000-2-5.exe, win-OS-Upgrade-K9.2000-2-5sr1.exe.
To download these upgrade packs, refer to Cisco Downloads.
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