October 12, 2026
How to Fix Java SSLHandshakeException: PKIX Path Building Failed Error (Step-by-Step Guide)
Server Management Services,SSL,Introduction: How Do You Fix Java SSLHandshakeException: PKIX Path Building Failed? Java throws SSLHandshakeException: PKIX path building failed when it cannot establish a trusted certificate chain for a remote TLS connection. The most common causes include a missing intermediate certificate, an untrusted certificate authority, an outdated Java truststore, or an incorrectly configured custom truststore. The…
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October 11, 2026
How to Fix HTTP Error 500.35 in ASP.NET Core on Plesk Windows: Application Pool and IIS Troubleshooting
Server Management,Windows General,What Is HTTP Error 500.35 in ASP.NET Core? HTTP Error 500.35 indicates that multiple ASP.NET Core applications are attempting to run in the same IIS application pool when using the in-process hosting model. To fix this error, assign each application its own dedicated IIS application pool, verify the ASP.NET Core Module configuration, and confirm that…
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October 7, 2026
IIS 404.19 Error: How to Fix Googlebot Crawling and Website Indexing Issues
Plesk,Windows General,What Does IIS 404.19 Mean for Googlebot? IIS 404.19 means that IIS Request Filtering rejected an HTTP request because a configured filtering rule denied it. Unlike an ordinary 404 caused by a missing page, IIS 404.19 can occur even when the requested URL and application resource actually exist. Microsoft identifies HTTP 404.19 specifically as “Denied…
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October 6, 2026
How to Choose an SSL Certificate and Fix SSL Installation Errors
SSL,Choose the SSL Certificate Based on Your Infrastructure Choosing an SSL certificate should start with your website architecture, hostname requirements, and validation model rather than the certificate brand alone. SSL certificate installation becomes straightforward when the certificate matches the names that visitors, applications, APIs, mail systems, and management services actually use. A basic business website…
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October 5, 2026
Comcast Email Throttling: How to Fix 421/451 SMTP Errors in Exim and cPanel
Cpanel,cPanel & WHM,Mail Servers,What causes Comcast SMTP throttling? Comcast SMTP throttling occurs when Comcast temporarily limits inbound email traffic from a sending system because its traffic volume, sending history, domain behavior, authentication signals, or sender reputation crosses a rate-control threshold. A 421 4.2.0 or 451 4.2.0 response from Comcast normally represents a temporary SMTP deferral rather than an…
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October 4, 2026
CloudLinux I/O Limit: How to Diagnose and Fix High I/O Usage on cPanel & WHM
Cpanel,cPanel & WHM,Linux General,What is a CloudLinux I/O limit? A CloudLinux I/O limit controls the disk throughput available to an individual hosting account. CloudLinux measures I/O in KB/s and combines read and write activity when enforcing the account’s I/O limit. When an account reaches that limit, CloudLinux throttles its disk operations rather than allowing the workload to consume…
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September 30, 2026
How to Monitor Windows Server Performance with Azure Monitor?
Windows General,How Do You Monitor Windows Server Performance with Azure Monitor? Windows Server performance monitoring uses Azure Monitor to collect and correlate CPU, memory, disk, network, Windows event, and application telemetry. This visibility helps infrastructure teams identify performance bottlenecks and investigate the underlying cause of slow workloads. Azure Monitor can collect infrastructure and operating-system telemetry from…
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September 27, 2026
HTTP 500 vs 502 vs 503 vs 504: What Each Server Error Means
Server Management,Server Management Services,What Do HTTP 500, 502, 503, and 504 Errors Mean? HTTP 500, 502, 503, and 504 errors identify different failure conditions in a server-side request path. HTTP 500 indicates an unexpected server-side processing failure, HTTP 502 indicates that a gateway or proxy received an invalid response from an upstream server, HTTP 503 indicates temporary service…
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September 27, 2026
Linux Server Load Average Explained: What 1, 5 and 15 Minute Load Means
Linux General,Server Management,Server Management Services,What Is Linux Server Load Average? Linux server load average represents the average number of tasks that are runnable or waiting in an uninterruptible state during a specific time period. Linux reports three load-average values covering the previous 1, 5, and 15 minutes, and these values appear in utilities such as uptime, top, and other…
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September 27, 2026
cPanel Server Disk Space Full: Causes, Diagnosis and Safe Cleanup.
Cpanel,cPanel & WHM,What causes a cPanel server disk space full condition? A cPanel disk space full condition occurs when a filesystem, account quota, or inode resource reaches its operational limit. The most common causes include website files, databases, mailboxes, server logs, local backups, temporary files, and large numbers of small files. A full filesystem can affect more…
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