Push Causes Pre-Receive Hook Declined When Running Windows Server on XenServer

To http://<user>@<server>/scm/<project>/<repo>.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'http://<user>@<server>/scm/<project>/<repo>.git'

2014-11-03 16:28:12,530 ERROR [http-nio-7990-exec-8] <user> @12KOHN7x988x7762x0 127.0.0.1 "GET /scm/<project>/<repo>.git/info/refs HTTP/1.1" c.a.s.i.s.g.p.h.GitSmartExitHandler Request for repo '<repo>' of project '<project>' from '198.145.19.226' failed: read process 'D:\Git\cmd\git.exe http-backend' caused an exception
2014-11-03 16:28:12,563 DEBUG [http-nio-7990-exec-8] <user> @12KOHN7x988x7762x0 127.0.0.1 "GET /scm/<project>/<repo>.git/info/refs HTTP/1.1" c.a.s.i.s.g.p.h.GitSmartExitHandler process error: 
com.atlassian.utils.process.ProcessNotStartedException: D:\Git\cmd\git.exe could not be started
	at com.atlassian.utils.process.ExternalProcessImpl.start(ExternalProcessImpl.java:332) ~[ExternalProcessImpl.class:na]
	at com.atlassian.stash.scm.BaseCommand.doStart(BaseCommand.java:189) ~[BaseCommand.class:na]
	at com.atlassian.stash.scm.BaseCommand.call(BaseCommand.java:72) ~[BaseCommand.class:na]
	at com.atlassian.stash.internal.scm.git.protocol.http.GitSmartRequest.handleRequest(GitSmartRequest.java:94) [stash-scm-git-3.3.2.jar:na]
	at com.atlassian.stash.internal.scm.git.protocol.http.OtherRead.handleRequest(OtherRead.java:18) [stash-scm-git-3.3.2.jar:na]
	at com.atlassian.stash.scm.throttle.ThrottledScmRequestFactory$ThrottlingInvocationHandler.invoke(ThrottledScmRequestFactory.java:91) [ThrottledScmRequestFactory$ThrottlingInvocationHandler.class:na]
	at com.atlassian.stash.internal.scm.ScmServlet.handleRequest(ScmServlet.java:55) [ScmServlet.class:na]
	at org.springframework.web.context.support.HttpRequestHandlerServlet.service(HttpRequestHandlerServlet.java:68) [HttpRequestHandlerServlet.class:4.0.6.RELEASE]
	at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:25) [applinks-plugin-4.2.4_1408604932000.jar:na]
	at com.atlassian.stash.internal.spring.security.StashAuthenticationFilter.onSuccess(StashAuthenticationFilter.java:224) [StashAuthenticationFilter.class:na]
	at com.atlassian.stash.internal.spring.security.StashAuthenticationFilter.doFilter(StashAuthenticationFilter.java:101) [StashAuthenticationFilter.class:na]
	at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doInsideSpringSecurityChain(BeforeLoginPluginAuthenticationFilter.java:111) [BeforeLoginPluginAuthenticationFilter.class:na]
	at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doFilter(BeforeLoginPluginAuthenticationFilter.java:77) [BeforeLoginPluginAuthenticationFilter.class:na]
	at com.atlassian.security.auth.trustedapps.filter.TrustedApplicationsFilter.doFilter(TrustedApplicationsFilter.java:100) [TrustedApplicationsFilter.class:na]
	at com.atlassian.oauth.serviceprovider.internal.servlet.OAuthFilter.doFilter(OAuthFilter.java:69) [atlassian-oauth-service-provider-plugin-1.9.2_1408604934000.jar:na]
	at com.atlassian.analytics.client.filter.DefaultAnalyticsFilter.doFilter(DefaultAnalyticsFilter.java:33) [analytics-client-3.48_1411424420000.jar:na]
	at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31) [AbstractHttpFilter.class:na]
	at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doBeforeBeforeLoginFilters(BeforeLoginPluginAuthenticationFilter.java:89) [BeforeLoginPluginAuthenticationFilter.class:na]
	at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doFilter(BeforeLoginPluginAuthenticationFilter.java:75) [BeforeLoginPluginAuthenticationFilter.class:na]
	at com.atlassian.stash.internal.request.DefaultRequestManager.doAsRequest(DefaultRequestManager.java:84) [DefaultRequestManager.class:na]
	at com.hazelcast.web.WebFilter.doFilter(WebFilter.java:450) [WebFilter.class:3.3-RC3]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.7.0_55]
	at java.lang.Thread.run(Unknown Source) [na:1.7.0_55]
	... 181 frames trimmed
Caused by: java.io.IOException: Cannot run program "D:\Git\cmd\git.exe" (in directory "C:\Atlassian\ApplicationData\Stash\shared\data\repositories\12"): CreateProcess error=2, The system cannot find the file specified
	at java.lang.ProcessBuilder.start(Unknown Source) ~[na:1.7.0_55]
	at com.atlassian.utils.process.ExternalProcessImpl.createDefaultProcess(ExternalProcessImpl.java:367) ~[ExternalProcessImpl.class:na]
	at com.atlassian.utils.process.ExternalProcessImpl.createProcess(ExternalProcessImpl.java:375) ~[ExternalProcessImpl.class:na]
	at com.atlassian.utils.process.ExternalProcessImpl.start(ExternalProcessImpl.java:329) ~[ExternalProcessImpl.class:na]
	... 23 common frames omitted
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
	at java.lang.ProcessImpl.create(Native Method) ~[na:1.7.0_55]
	at java.lang.ProcessImpl.<init>(Unknown Source) ~[na:1.7.0_55]
	at java.lang.ProcessImpl.start(Unknown Source) ~[na:1.7.0_55]
	... 27 common frames omitted

Faulting application name: bash.exe, version: 0.0.0.0, time stamp: 0x5429d9fa
Faulting module name: ntdll.dll, version: 6.3.9600.17278, time stamp: 0x53eeb4a3
Exception code: 0x40010006
Fault offset: 0x0009a792
Faulting process id: 0xd90
Faulting application start time: 0x01cff937d7c022e0
Faulting application path: d:\Git\bin\bash.exe
Faulting module path: C:\Windows\SYSTEM32\ntdll.dll
Report Id: 156e1ced-652b-11e4-80c9-bc764e10bbfd
Faulting package full name: 
Faulting package-relative application ID: