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Continuing from where we left off, I have a small lab deployment which consists of a AD, DNS, Proxy server (Forefront TMG 2010 on WS 2008 R2 SP1), primary servers and replica servers. When the primary server is behind the proxy (forward proxy) and when I tried to enable replication using certificate based authentication, I got the following error message: The handle is in the wrong state for the requested operation (0x00002EF3)
That didn’t convey too much, did it? Fortunately I had netmon running in the background and the only set of network traffic which was seen was between the primary server and the proxy. A particular HTTP response caught my eye:
The highlighted text indicated that the proxy was terminating the connection and returning a ‘Bad gateway’ error. Closer look at the TMG error log indicated that the error was encountered during https-inspect state.
After some bing’ing of the errors and the pieces began to emerge. When HTTPS inspection is enabled, the TMG server terminates the connection and establishes a new connection (in our case to the replica server) acting as a trusted man-in-the-middle. This doesn’t work for Hyper-V Replica as we mutually authenticate the primary and replica server endpoints. To work around the situation, I disabled HTTPS inspection in the proxy server
and things worked as expected. The primary server was able to establish the connection and replication was on track.