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It appears to me after checking the error messages &nbsp;that the machine where PWA is running &nbsp;is timed out. So authentication from server might have been failed for the user.
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It appears to me after checking the error messages  that the machine where PWA is running  is timed out. So authentication from server might have been failed for the user.

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What did you do to fix your problem?
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I'd like to know too as I am having the same problem and bashing my head in trying to fix it. 
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I'd like to know too as I am having the same problem and bashing my head in trying to fix it.

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How can you change the settings if you cant even get to the site???
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How can you change the settings if you cant even get to the site???

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I am getting all the attached errors in my project server. Windows SharePoint is working fine, but PWA is showing error &quot;An unexpected error has occurred. &quot;&nbsp;All sharepoint operations are seems to be working fine. <br />
<a href="https://filedb.experts-exchange.com/incoming/2009/05_w19/137108/ProjectServer-Errors.doc" target="_blank" class="file-inline" title="EventsLogs Of Project Server Errors (36 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>ProjectServer-Errors.doc</a>
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ProjectServer-Errors.doc

I am getting all the attached errors in my project server. Windows SharePoint is working fine, but PWA is showing error "An unexpected error has occurred. " All sharepoint operations are seems to be working fine. 

PWA is showing error &quot;An unexpected error has occurred. &quot;

Project management software has the capacity to help plan, organize, and manage resource tools and develop resource estimates. Depending on the sophistication of the software, it can manage estimation and planning, scheduling, cost control and budget management, resource allocation, collaboration software, communication, decision-making, quality management and documentation or administration systems.

Project Management Software

Microsoft Sharepoint is a software platform and family of software products used for collaboration and web publishing combined. These capabilities include developing web sites, portals, intranets, content management systems, search engines, wikis, blogs, and other tools for business intelligence and collaboration. SharePoint has a Microsoft Office-like interface, and it is closely integrated with the Office suite.

PWA is showing error &quot;An unexpected error has occurred. &quot;

PWA is showing error "An unexpected error has occurred. "