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My IIS web server suddenly throws a “500 – Internal Server Error” every time it’s accessed. Nothing was altered in the IIS configuration before this started, yet the full error page appears instead of the site. At the same time, after renewing the SSL certificate, Exchange Server 2013 has stopped delivering inbound email. Messages leave external hosts but never reach the internal mailboxes. Here’s what I need addressed: • Restore normal page load on the IIS site, eliminating the 500 error. • Re-establish successful inbound mail flow on Exchange 2013 after the certificate renewal. Acceptance will be a fully loading website and verifiable mail delivery tests (MXTools or similar) showing messages received internally.
Project ID: 40452370
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124 freelancers are bidding on average $410 USD for this job

Hi there, The sudden appearance of that IIS 500 internal server error suggests a configuration mismatch that often happens when permissions or web config files get out of sync. It is even more concerning that your Exchange 2013 inbound mail stopped right after the SSL renewal. This usually means the new certificate hasn't been properly assigned to the SMTP and IIS services within the Exchange Admin Center. I am ready to hop in and fix both. I will start by checking the IIS logs to pinpoint the exact 500 error sub-code. Then I will re-bind your new SSL to the correct Exchange services to get those stuck emails moving into mailboxes again. We can verify everything with MXToolbox to ensure the mail flow stays stable. My goal is to get your site and your communications back to normal immediately. Want a 2-min screen recording of how I'd build IIS and Exchange recovery? Just say the word. ~ Rajesh
$500 USD in 20 days
8.4
8.4

I can help restore both the IIS website and Exchange 2013 inbound mail flow. I’ll first check the IIS error details, Event Viewer logs, application pool status, bindings, SSL assignment, and any recent certificate-related changes causing the 500 error. In parallel, I’ll review Exchange transport services, receive connectors, certificate bindings, SMTP logs, queues, and inbound delivery path to identify why external mail is not reaching internal mailboxes. Once the root cause is found, I’ll apply the required fixes, validate the IIS site loads normally, and run mail-flow tests to confirm messages are received internally. I’ll also provide a short summary of what was changed so the setup remains stable after the certificate renewal.
$400 USD in 7 days
7.7
7.7

Hello, I have 10 years of experience in server administration and troubleshooting. I can resolve the IIS 500 error to restore normal website access. I will also fix the Exchange 2013 mail flow issue to ensure inbound emails are correctly received. I'll conduct thorough testing to guarantee both issues are fully resolved. Please consider my bid to promptly address these problems. Regards, VishnuLal NB*
$250 USD in 1 day
7.4
7.4

SURE------I will fix this IIS 500 Error in effective manner -------------- I am highly appreciative to work on this specific task I can do my best. I am an Innovative .NET/IIS /Full stack developer having rich experience with so many successful Tasks. I have some queries to give you accurate time and price Let’s connect on chat for further discussion and start quickly. Thanks!!
$550 USD in 7 days
7.3
7.3

HI I can fix you 500 error and make sure sender/receiver connector work fine also all services are working well. i have experience of exchange services and troubleshooting already managing DAG of four exchange servers.
$400 USD in 1 day
6.9
6.9

As an experienced IT professional, I've encountered and successfully resolved a wide range of complex issues just like the ones you're experiencing with your IIS web server and Exchange Server. With robust skills in network administration, system troubleshooting, and Windows Server managing, I'm confident in my ability to swiftly restore your website's normal function while eliminating the pesky 500 error. Additionally, my extensive knowledge of mail servers combined with my experience in security and recovery services make me the perfect candidate to re-establish successful inbound mail flow on your Exchange 2013 server. What sets me apart is my proactive approach to problem-solving. I won't simply fix these errors and leave; I'll thoroughly investigate the root cause to ensure they don't recur in the future. My 24/7 availability is a testament to my dedication to deliver timely solutions for all your IT needs. I always strive to exceed client expectations, which has led me to accumulate an enviable track record of unlimited revisions based on client preferences. Finally, I'd like to add that beyond fixing immediate issues, I have a long-term vision for improving system integrity and performance. Partnering with me means gaining a trusted IT expert who not only knows how to react but also how to proactively prevent such issues from occurring. Let me take care of your servers so that you can focus on growing your business. Looking forward to working with you!
$500 USD in 2 days
6.4
6.4

Hi there, I have managed to solve complex Exchange and IIS Server issues and would like to assist you. I can find the root cause and apply the required remediation. Please let me know a good time to talk. Thanks!
$250 USD in 1 day
5.9
5.9

As a seasoned System and Network Administrator with 13 years of experience, I believe I am the ideal candidate to tackle your IIS and Exchange Server issues. My extensive background in managing Windows Server environments and administering infrastructure operations make me uniquely qualified for this task. I've not only dealt with countless errors like the 500 Internal Server Error you're facing but also resolved them tirelessly, ensuring pristine functionality. Another area where my expertise can be invaluable is in managing email servers, particularly MS Exchange. Having successfully restored mail delivery for many clients after certificate renewals, I am confident in my ability to address your specific issue. Lastly, what sets me apart is not just my technical knowledge but also my commitment to client satisfaction. I will work diligently not only bring your website back to life and re-establish the successful inbound mail flow but also conduct verifiable tests to demonstrate their efficiency. With these solutions delivered on time and tailored to your needs, you can count on seamless operations and optimal performance for your network systems moving forward.
$270 USD in 1 day
5.6
5.6

Hi, full-stack developer I can investigate and fix your website and mail errors. Please contact me and I will jump on it immediately. 9+ years of experience, please check my reviews when considering. Additionally I have a BSc in Computer Science. Kind Regards!
$275 USD in 3 days
4.4
4.4

Please check my profile, I have experienced in ASP.NET for 10 years and completed many ASP.NET projects in this site. As an experienced web developer specializing in technologies such as ASP.NET, I possess the necessary skills to address the issues you're facing with your IIS web server and Exchange Server 2013. By leveraging these tools along with my solid knowledge of web development best practices and protocols, I am confident that I can restore a fully loading website on the IIS without any 500 errors. I will successfully re-establish inbound mail flow on your Exchange Server 2013 post-certificate renewal. Verifiable mail delivery tests are essential to track successful internal message routing; thus, using tools like MXTools or similar is second nature to me. With my assistance, not only will you regain normalcy with your servers but also enjoy enhanced performance and efficiency moving forward. Let's join hands to bring your project to new heights of success!
$300 USD in 7 days
4.5
4.5

As a seasoned Web & Software Developer, I bring to the table a wide range of experience that would benefit your project immensely. The sudden "500 - Internal Server Error" on your IIS web server is not only disruptive but also detrimental to your user experience and SEO ranking. My extensive knowledge of .NET and exposure to similar issues make me well-equipped to solve this problem promptly, saving you precious time and resources. Moreover, my expertise extends to the Exchange Server domain as well. The disruption in your inbound mail flow after SSL certificate renewal can result from an array of causes. Rest assured, I'm adept at troubleshooting such complications and reinstating the email delivery smoothly. With my help, you will get your internal mailboxes back in order and messages flowing in seamlessly. I approach projects with an innovation-first mindset and focus on delivering reliable, efficient solutions that are designed for long-term growth and scalability – factors crucial to successful digital systems. Partnering with me isn't just hiring a freelancer; it's creating a technology partnership that thrives on understanding your business goals and strategizing accordingly. Let's work together to restore normalcy to your IIS site while ensuring uninterrupted email handling on Exchange 2013.
$250 USD in 2 days
4.2
4.2

Hello, I understand that you're facing issues with your IIS web server throwing a “500 – Internal Server Error” and that your Exchange Server 2013 has stopped delivering inbound emails after your SSL certificate renewal. Addressing these problems is crucial for your operations. With over five years of experience in managing IIS and Exchange Server environments, I specialize in troubleshooting and resolving server errors and SSL-related issues. My expertise includes using diagnostic tools to pinpoint problems and implement effective solutions swiftly. To tackle your project, I propose the following approach: - Conduct a thorough analysis of the IIS logs to identify the source of the 500 error and apply necessary fixes. - Review the SSL configuration for both the IIS and Exchange Server to ensure proper integration. - Test the mail flow to confirm that inbound emails are being received correctly after adjustments are made. - Provide verification through tools like MXTools to demonstrate successful email delivery. I am eager to begin working on this project and confident in my ability to restore your web server functionality and email flow. Please feel free to reach out to discuss any further details or to get started immediately.
$250 USD in 7 days
4.2
4.2

Having a decade of experience as a skilled developer, I have certainly dealt with numerous scenarios similar to yours. By expertly employing my knowledge of troubleshooting and system administration, specifically on Windows Server and .NET, I am confident in my ability to tackle the 500 Internal Server Error currently plaguing your IIS web server. Furthermore, during my career I have had to make sure that SSL certificate renewals didn't hinder exchange processes in Exchange Servers. Meaning? This extra skill set turns me into an ideal candidate who has the level of specialized skills necessary to address both your issues holistically. By the time I conclude my work on your project, you will have a fully loading website with zero occurrence of the 500 error and seamless inbound mail flow on your now secured Exchange 2013. My approach will give priority to consistent results as shown by verifiable mail delivery tests like MXTools. Transparency, accountability and respect for agreed deadlines are important values that govern every interaction with my clients; and as such, your work would receive careful attention and completion within the negotiated timeframe. Don't gamble with your projects, choose proven expertise! Hire me for a job efficiently done at an affordable cost today!
$251 USD in 2 days
3.9
3.9

With over a decade of experience in web development and SSL management, I am confident that I can swiftly get your IIS web server back on track whilst resolving the Exchange Server 2013 issue ensuring a smooth flow of your inbound email. My knowledge in bug fixing and technical issue resolution is thorough and I guarantee to leave no stone unturned until the "500 - Internal Server Error" and mail delivery issues are completely resolved, making your website fully functional again. In addition to fixing the existing problems, I also offer long-term website maintenance services, which could prove beneficial for you in preventing any future errors or issues. This, along with my expertise in website design & layout improvements, front-end and back-end web development, as well as speed, performance, and security optimization ensures that not only will your website be error-free but it would also be updated with the latest developments in the field. Finally, my commitment to quality, stability, and clear communication guarantees that you'll always be kept in the loop about the progress made. Given my substantial knowledge on all aspects of your project requirement, I am confident that by entrusting this work to me, you will be left satisfied with a fully loading website re-established mail-flow on your exchange server.
$250 USD in 2 days
4.1
4.1

Hello, I’m an IT expert with over 20 years of experience in the industry. I hold certifications as a Cisco Certified Networking Professional (300-100 and 300-115), Linux Certified Professional (LPI 101, 102, 103), Red Hat Certified System Administrator, VMware Certified Professional (versions 4, 5, and 5.5), as well as being a Microsoft System Administrator/Engineer from 2003 to 2022 and AZ104
$250 USD in 1 day
3.9
3.9

Hello dear, Greetings from MD. Toriqul Islam! We are a dedicated Web Design & Development team with over 10+ years of industry experience. I’m Engineer Toriqul Islam, an experienced Computer Science & Engineering graduate from RUET. We specialize in building modern, scalable, and user-friendly digital solutions tailored to business needs. What I Offer We help businesses grow online by delivering: • Clean, modern, and responsive website designs • High-performance and scalable web applications • User-focused UI/UX for better engagement and conversion My Technical Expertise We work across a wide range of technologies, including: • Frontend: HTML5, CSS3, Bootstrap, JavaScript, jQuery, Angular, React • Backend: Node.js, PHP, Laravel, .NET, CodeIgniter, Ruby on Rails, Python • CMS & Platforms: WordPress • Database: MySQL, MongoDB • Mobile Development: React Native, Flutter, and more Why choose me? ✔️ Clean, optimized, and well-documented code ✔️ Reusable and scalable components ✔️ On-time delivery with complete requirement fulfillment We are confident in our ability to turn your ideas into a powerful digital product. Let’s discuss your project and make it a success. Looking forward to working with you! Best Regards, Md. Toriqul Islam
$333 USD in 4 days
4.0
4.0

With my in-depth knowledge and 4+ years of experience as a Python Developer and DevOps Engineer, I possess the right set of skills to get your IIS server and Exchange Server up and running smoothly again. I'm proficient in Linux server management which includes Windows as well, thus qualifying me the best fit for your project requirements. In terms of software development, one of my key specialties lies in developing RESTful APIs using Django & Django Rest Framework (DRF), implementing secure authentication & authorization and integrating third-party services & APIs into applications - aspects that are crucial for fixing the IIS 500 error and restoring inbound mail flow on Exchange Server. Moreover, my proficiency extends to efficient database management, server security, and performance optimization - all necessary aspects to ensure the complete resolution of your server issues. So, I'm not only capable of fixing the immediate problems you’re facing but can also optimize your servers for long-term reliability.
$255 USD in 1 day
3.4
3.4

https://www.freelancer.com/projects/api-developmet/ASP-NET-Web-Control-for/reviews https://www.freelancer.com/projects/php/Twitch-Integration-Module-for-DotNetNuke/reviews Your web server and email problems both fall within my realm of expertise. As a seasoned Full-Stack Developer with extensive knowledge in .NET, ASP.NET, IIS, and Exchange Server 2013, I’m well-equipped to handle and resolve the issues you're presently facing. I've dealt with numerous situations that required restoring normal page load on an IIS site, much like what you're currently experiencing. In those cases, I was able to eliminate the 500 error and ensured that pages loaded effortlessly. Regarding your email mishap after SSL certificate renewal, Exchange Server administration is another skill I boast. With my comprehensive understanding of this platform, I've successfully recovered many inbound mail flow disruptions caused by similar certificate mishaps as you described. Additionally, I will conduct thorough verifiable tests to make sure messages are not just leaving external hosts but reaching the internal mailboxes as expected. Overall, my blend of technical skills in both web development and server administration paired with a results-oriented mindset makes me the ideal candidate for your project. Rest assured, I would work diligently to restore your IIS server to its prior functioning state while rectifying the issue with your Exchange serve
$250 USD in 7 days
3.1
3.1

Hi, I can help with this. I’ve worked with IIS, Exchange Server, SSL certificate renewals, and Windows server troubleshooting before, so diagnosing both the IIS 500 error and the Exchange inbound mail issue is something I’m comfortable with. Since both problems appeared around the certificate renewal, there’s a good chance they’re connected through bindings, certificate assignment, permissions, or transport/service configuration. I’d first check IIS logs, application pools, bindings, and certificate mappings, then verify Exchange receive connectors, SMTP bindings, transport services, and certificate assignment for mail flow. Regards, Bilal
$700 USD in 2 days
2.9
2.9

I can help you troubleshoot and fix both issues. For the IIS 500 error, since the configuration wasn't changed, the issue is likely environmental. Sudden 500 errors under these conditions are typically caused by an expired application pool identity password, exhausted disk space, or a sudden backend database connection failure. I will check the Windows Application Event Logs and temporarily enable IIS Detailed Errors to instantly pinpoint the failing module. For Exchange 2013, inbound mail stopping after an SSL renewal is a classic binding issue. The new certificate likely hasn't been properly assigned to the SMTP service, or the Default Frontend Receive Connector is still attempting to use the old certificate's thumbprint for incoming TLS connections. I will use the Exchange Management Shell to assign the new certificate thumbprint to the SMTP services and restart the Exchange Transport service to restore the inbound mail flow.
$250 USD in 7 days
3.0
3.0

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