{"id":50970,"date":"2020-02-25T06:58:52","date_gmt":"2020-02-25T06:58:52","guid":{"rendered":"https:\/\/www.stellarinfo.com\/blog\/?p=50970"},"modified":"2025-10-07T11:09:58","modified_gmt":"2025-10-07T11:09:58","slug":"repair-sql-server-database-with-a-corrupt-log-file","status":"publish","type":"post","link":"https:\/\/www.stellarinfo.com\/blog\/repair-sql-server-database-with-a-corrupt-log-file\/","title":{"rendered":"How to Repair SQL Server Database with a Corrupt Log File?"},"content":{"rendered":"<?xml encoding=\"utf-8\" ?><?xml encoding=\"utf-8\" ?><p>A database in SQL Server comprises three types of files: primary data file (.mdf), secondary data file (.ndf), and transaction log file or log database file (.ldf).<\/p><p>The primary and secondary data files are used for storing information about database objects like tables, indexes, triggers, views, etc. On the other hand, log file records all transactions and changes made to the database by each transaction. Corruption in any of these data files or the log file can make the database inaccessible.<\/p><p>In this blog, however, we will restrict our discussion on log file corruption and methods to fix a corrupt .ldf file.<\/p><p>Before discussing methods to fix an SQL database with a corrupt log file, it is important to determine the reasons that led to such an issue in the first place.<\/p><h2 class=\"wp-block-heading\" id=\"what-causes-corruption-in-a-transaction-log-file?\">What Causes Corruption in a Transaction Log File?<\/h2><p>Some possible reasons that may result in log file corruption are as follows:<\/p><ul class=\"wp-block-list\">\n<li><strong>Abnormal System Shutdown<\/strong>: The system terminated abnormally, due to power outage or other reasons, without clean shutdown of the database.<\/li>\n\n\n\n<li><strong>Storage Size Issue<\/strong>: Transaction log file has limited storage space, and exceeding its limit increases chances of corruption.<\/li>\n\n\n\n<li><strong>Hardware Issue or Faulty Memory<\/strong>: Hardware fault occurred with the I\/O subsystem used for hosting the system and database files, or faulty memory.<\/li>\n\n\n\n<li><strong>Virus Infection:&nbsp;<\/strong>The system hosting SQL server database is affected by a virus attack, resulting in a corrupt log file.<\/li>\n<\/ul><h2 class=\"wp-block-heading\" id=\"errors-you-may-encounter-due-to-log-file-corruption\">Errors You May Encounter Due To Log File Corruption<\/h2><h3 class=\"wp-block-heading\">Error 1: Error Message 15105<\/h3><p><em>Operating system error 23 (failed to retrieve text for this error. Reason: 15105) on file &ldquo;C:\\Program Files\\Microsoft SQL Server\\MSSQL10_50.MYSERVER\\MSSQL\\DATA\\MY_DATABASE.ldf&rdquo; during CheckLogBlockReadComplete<\/em><\/p><h3 class=\"wp-block-heading\">Error 2: File Activation Failure (Location File Error)<\/h3><p><em>File activation failure. The physical file name: C:\\Program Files\\Microsoft SQL Server\\MSSQL16.MSSQLSERVER\\MSSQL\\DATA\\XXX.ldf: may be incorrect. Diagnose and correct additional errors, and retry the operation.<\/em><\/p><h3 class=\"wp-block-heading\">Error 3: Failed to Attach Log File<\/h3><p>When trying to attach a log file on a new SQL Server, you may receive an error:<\/p><p><em>:Could not open new database :Your_DatabaseName:. CREATE Database is aborted:.<\/em><\/p><h3 class=\"wp-block-heading\">Error 4: SQL Server Error 9004<\/h3><p><em>An <\/em><a href=\"https:\/\/www.stellarinfo.com\/article\/resolve-sql-server-error-9002.php\"><em>SQL server error 9004<\/em><\/a><em> occurred while processing the log for database &lsquo;%.*ls&rsquo;. If possible, restore from backup. If a backup is not available, it might be necessary to rebuild the log.<\/em><\/p><h3 class=\"wp-block-heading\">&nbsp;Error 5: Attach Database Failed Error 1813<\/h3><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"615\" height=\"226\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Server-Error-.jpg\" alt=\"Database Failed Error\" class=\"wp-image-185982 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Server-Error-.jpg 615w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Server-Error--300x110.jpg 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Server-Error--150x55.jpg 150w\" sizes=\"auto, (max-width: 615px) 100vw, 615px\" \/><\/figure><p><em>Could not open new database &lsquo;Database_Name&rsquo;. CREATE DATABASE is aborted.<\/em><\/p><h2 class=\"wp-block-heading\" id=\"methods-to-repair-sql-server-database&nbsp;with-a-corrupt-log-file\">Methods to Repair SQL Server Database&nbsp;with a Corrupt Log File<\/h2><p>Before applying any method, check the SQL Server error logs and event logs of the Windows system and application hosting the database.&nbsp;If you find&nbsp;any hardware problem, get it fixed&nbsp;and see whether the issue has been resolved or not. If not, apply the following methods to repair the damaged log file.&nbsp;<\/p><h3 class=\"wp-block-heading\">Method 1 &ndash; Restore Database from a Healthy Backup<\/h3><blockquote class=\"note_alert\">\n<p><strong><em>Note<\/em><\/strong><em>:&nbsp;If you don&rsquo;t have a proper backup strategy configured or the backup files are lost, skip to method 2.<\/em><\/p>\n<\/blockquote><p>The simple and safe approach to fix log file corruption issue is restoring the database from the last healthy, point-in-time, database backup.<\/p><p>Let&rsquo;s look at the steps to restore SQL Server database from full database backup:<\/p><ul class=\"wp-block-list\">\n<li>Open&nbsp;<strong>SQL Server Management Studio (SSMS)<\/strong> and then connect to SQL Server.<\/li>\n\n\n\n<li>Expand <strong>Databases<\/strong> node in&nbsp;<strong>Object Explorer<\/strong>.<\/li>\n\n\n\n<li>Right-click the&nbsp;<strong>Database<\/strong> and select&nbsp;<strong>Restore Database<\/strong>.<\/li>\n<\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"348\" height=\"270\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Restore-Database.jpg\" alt=\"select&nbsp;Restore Database\" class=\"wp-image-185983 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Restore-Database.jpg 348w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Restore-Database-300x233.jpg 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Restore-Database-150x116.jpg 150w\" sizes=\"auto, (max-width: 348px) 100vw, 348px\" \/><\/figure><ul class=\"wp-block-list\">\n<li>In&nbsp;<strong>Restore Database<\/strong>&nbsp;window, under&nbsp;<strong>Source for restore<\/strong>&nbsp;section, select&nbsp;<strong>From device<\/strong>,&nbsp;and then click the button next to it to specify database file location.<\/li>\n<\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"523\" height=\"150\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Source-for-restore-.jpg\" alt=\"Restore Database&nbsp;window\" class=\"wp-image-185984 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Source-for-restore-.jpg 523w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Source-for-restore--300x86.jpg 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Source-for-restore--150x43.jpg 150w\" sizes=\"auto, (max-width: 523px) 100vw, 523px\" \/><\/figure><ul class=\"wp-block-list\">\n<li>In&nbsp;<strong>Specify backup<\/strong>&nbsp;window, select&nbsp;<strong>Backup media&nbsp;type<\/strong>, and then click&nbsp;<strong>Add&nbsp;<\/strong>button to insert the backup file location. &nbsp;<\/li>\n<\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"528\" height=\"392\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Specify-backup-window.jpg\" alt=\"Specify backup window\" class=\"wp-image-185985 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Specify-backup-window.jpg 528w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Specify-backup-window-300x223.jpg 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Specify-backup-window-150x111.jpg 150w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/figure><ul class=\"wp-block-list\">\n<li>Select the backup file you need to restore and click&nbsp;<strong>OK<\/strong>.<\/li>\n\n\n\n<li>Again, click&nbsp;<strong>OK<\/strong>.<\/li>\n<\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"528\" height=\"392\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/backup-location.jpg\" alt=\"insert the backup file location\" class=\"wp-image-185986 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/backup-location.jpg 528w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/backup-location-300x223.jpg 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/backup-location-150x111.jpg 150w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/figure><ul class=\"wp-block-list\">\n<li>The backup file will be listed on the <strong>Database restore<\/strong> window.<\/li>\n\n\n\n<li>Before restoring the backup, select&nbsp;Options&nbsp;under&nbsp;Select a page&nbsp;section in the&nbsp;Restore Database&nbsp;window.<\/li>\n\n\n\n<li>Select one of the checkboxes under&nbsp;<strong>Restore Options<\/strong>&nbsp;section. Click&nbsp;<strong>OK<\/strong>.<\/li>\n<\/ul><p><strong>Suggested Read<\/strong> &ndash; <a href=\"https:\/\/www.stellarinfo.com\/blog\/restore-sql-server-database-from-command-line\/\"><em>How to Restore SQL Server Database from Command Line<\/em><\/a><\/p><h3 class=\"wp-block-heading\">Method 2 &ndash; Rebuild Corrupt Transaction Log File<\/h3><p>Try <a href=\"http:\/\/stellarinfo.com\/blog\/rebuild-sql-database-with-corrupted-or-deleted-log-file\/\">rebuilding the corrupt log file<\/a> to make the database accessible again. To do so, follow these steps:<\/p><ul class=\"wp-block-list\">\n<li>Put the database in EMERGENCY MODE by using the following command:<\/li>\n<\/ul><pre class=\"wp-block-code command_container\"><code>ALTER DATABASE&nbsp; SET EMERGENCY, SINGLE_USER<\/code><\/pre><pre class=\"wp-block-code command_container\"><code>GO<\/code><\/pre><p>Running the above command will help bring the database up without a transaction log file.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"346\" height=\"497\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Transaction-Log-File.jpg\" alt=\"Rebuild Corrupt Transaction Log File\" class=\"wp-image-185988 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Transaction-Log-File.jpg 346w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Transaction-Log-File-209x300.jpg 209w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Transaction-Log-File-150x215.jpg 150w\" sizes=\"auto, (max-width: 346px) 100vw, 346px\" \/><\/figure><ul class=\"wp-block-list\">\n<li>Once the database is up, set it to SINGLE_USER mode, and run the <a href=\"https:\/\/www.stellarinfo.com\/blog\/how-to-repair-sql-database-using-dbcc-checkdb-command\/\">DBCC CHECKDB command<\/a> with REPAIR_ALLOW_DATA_LOSS option to repair the database with a corrupt log file.<\/li>\n<\/ul><blockquote class=\"note_alert\">\n<p><strong><em>Note<\/em><\/strong><em>:&nbsp;Before proceeding with the repair process, make sure to create backup copy of your database. This is because the REPAIR_ALLOW_DATA_LOSS option&nbsp;<\/em><a href=\"https:\/\/docs.microsoft.com\/en-us\/sql\/t-sql\/database-console-commands\/dbcc-checkdb-transact-sql?view=sql-server-ver15\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><em>involves data loss risk.<\/em><\/a><a href=\"https:\/\/docs.microsoft.com\/en-us\/sql\/t-sql\/database-console-commands\/dbcc-checkdb-transact-sql?view=sql-server-ver15\"><\/a><\/p>\n<\/blockquote><pre class=\"wp-block-code command_container\"><code>DBCC CHECKDB ('TestTRNLogCorrupt', REPAIR_ALLOW_DATA_LOSS)<\/code><\/pre><p>The above command can help you resolve log-based corruption errors, including the SQL attach error 9004, SQL Server error 1813, and more. However, it may not provide complete recovery of the severely corrupt log file.<\/p><p>When you try to repair highly corrupted log file using DBCC CHECKDB, you may receive the following error:<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"222\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/SQL-Server-error-.jpg\" alt=\"SQL Server error\" class=\"wp-image-185990 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/SQL-Server-error-.jpg 1024w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/SQL-Server-error--300x65.jpg 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/SQL-Server-error--768x167.jpg 768w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/SQL-Server-error--150x33.jpg 150w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><p>If corruption is still there, then use the following command to rebuild the log file. Before this, bring the database in Offline mode and change the name of the corrupted log file associated with it.<\/p><pre class=\"wp-block-code command_container\"><code>ALTER DATABASE [original_log_file_name] REBUILD LOG ON (NAME= logicalname, FILENAME='C:\\Program Files\\Microsoft SQL Server\\MSSQLn.MSSQLSERVER\\MSSQL\\DATA\\file_name.ldf')<\/code><\/pre><p>It helps you bring the inconsistent database online by creating a new log file and discarding the old one. It can cause logical inconsistencies in the data file.<\/p><h2 class=\"wp-block-heading\" id=\"what-if-the-transaction-log-file-is-unrecoverable?\">What if the Transaction Log File is unrecoverable?<\/h2><p>If the transaction log file is severely corrupted or it is unrecoverable and you only have the MDF file available, then you can <a href=\"https:\/\/www.stellarinfo.com\/blog\/attach-sql-database-without-transaction-log-file\/\">attach the database without the transaction log file<\/a>. To do so, use the CREATE DATABASE command with FOR ATTACH_REBUILD_LOG.<\/p><pre class=\"wp-block-code command_container\"><code>CREATE DATABASE testdb ON<\/code><\/pre><pre class=\"wp-block-code command_container\"><code>(FILENAME = &lsquo;C:\\Program Files\\Microsoft SQL Server..\\MSSQL\\DATA\\testdb.mdf&rsquo;)<\/code><\/pre><pre class=\"wp-block-code command_container\"><code>For ATTACH_REBUILD_LOG<\/code><\/pre><pre class=\"wp-block-code command_container\"><code>GO<\/code><\/pre><p>This method only applies if the MDF file is readable.<\/p><h3 class=\"wp-block-heading\">Use Stellar Repair for MS SQL Software<\/h3><p>If you still cannot access your database, or if the <a href=\"https:\/\/www.stellarinfo.com\/article\/free-mdf-file-repair.php\">MDF file is corrupted<\/a> or damaged, using a&nbsp;SQL database repair tool. The software repairs the .mdf file and restores all the data to a new file.<\/p><p><strong>Steps to use Stellar Repair for MS SQL Software<\/strong><\/p><ul class=\"wp-block-list\">\n<li>Download, install, and launch&nbsp;<a href=\"https:\/\/www.stellarinfo.com\/sql-database-repair.php\"><strong>Stellar Repair for MS SQL<\/strong><\/a>&nbsp;software.<\/li>\n\n\n\n<li>The Instruction window is displayed. Follow the instructions and click&nbsp;<strong>OK<\/strong>.<\/li>\n<\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"473\" height=\"165\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Instruction-window-.jpg\" alt=\"Stellar Repair for MS SQL Software\" class=\"wp-image-185994 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Instruction-window-.jpg 473w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Instruction-window--300x105.jpg 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Instruction-window--150x52.jpg 150w\" sizes=\"auto, (max-width: 473px) 100vw, 473px\" \/><\/figure><ul class=\"wp-block-list\">\n<li>In&nbsp;<strong>Select Database<\/strong>&nbsp;dialog box, click&nbsp;<strong>Browse<\/strong>&nbsp;to select the affected MDF file you want to repair.<\/li>\n<\/ul><blockquote class=\"note_alert\">\n<p><strong>Note<\/strong>: If you do not know the MDF file location, click Search option to find and select the file.<\/p>\n<\/blockquote><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"519\" height=\"359\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Select-Database.jpg\" alt=\"click Search option to find and select the file\" class=\"wp-image-185997 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Select-Database.jpg 519w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Select-Database-300x208.jpg 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Select-Database-150x104.jpg 150w\" sizes=\"auto, (max-width: 519px) 100vw, 519px\" \/><\/figure><ul class=\"wp-block-list\">\n<li>After selecting the file, click <strong>Repair<\/strong> to start the repair process.<\/li>\n\n\n\n<li>The software provides a preview of the repaired database file in a tree-view list. You can see it on the left panel of Preview window.<\/li>\n<\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"664\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Preview-window.jpg\" alt=\"click Repair to start the repair process\" class=\"wp-image-185998 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Preview-window.jpg 1024w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Preview-window-300x195.jpg 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Preview-window-768x498.jpg 768w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/Preview-window-150x97.jpg 150w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><ul class=\"wp-block-list\">\n<li>Select all or specific database objects you want to recover and then click&nbsp;<strong>Save&nbsp;<\/strong>on the&nbsp;<strong>Home<\/strong>&nbsp;menu.<\/li>\n\n\n\n<li>In the&nbsp;<strong>Save As<\/strong>&nbsp;window, select&nbsp;<strong>MDF<\/strong>&nbsp;under&nbsp;<strong>Save As<\/strong>&nbsp;section. Next, choose whether you want to save the repaired database file in New Database or Live Database.<\/li>\n<\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"482\" height=\"404\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/save-database-1-1.jpg\" alt=\"Save repaired database\" class=\"wp-image-185999 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/save-database-1-1.jpg 482w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/save-database-1-1-300x251.jpg 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2020\/02\/save-database-1-1-150x126.jpg 150w\" sizes=\"auto, (max-width: 482px) 100vw, 482px\" \/><\/figure><ul class=\"wp-block-list\">\n<li>Fill in the required details under&nbsp;<strong>Connect to Server&nbsp;<\/strong>section and then click&nbsp;<strong>Save<\/strong>.<\/li>\n<\/ul><h2 class=\"wp-block-heading\" id=\"conclusion\">Conclusion<\/h2><p>SQL Server database transaction log file becomes corrupt due to several reasons, including unclean shutdown of the database, hardware fault, large-sized LDF file, and virus attack. A corrupt log file can make the database inaccessible.<\/p><p>You can try restoring the database from the last known good backup. But, keep in mind, <a href=\"https:\/\/www.stellarinfo.com\/article\/restore-sql-server-database-from-bak-file.php\">restoring database from backup<\/a> may cause data loss depending on the recovery strategy in place.<\/p><p>If the backup is not available or has failed, you can try rebuilding the corrupt log file using DBCC CHECKDB command. But this command has certain limitations. It may fail to fix a severely corrupted SQL Server database and returns an error.<\/p><p>Also, running DBCC CHECKDB command with REPAIR_ALLOW_DATA_LOSS option results in data loss.<\/p><p>If none of the methods works, use&nbsp;Stellar Repair for MS SQL&nbsp;software to repair corrupt log file and fix SQL database issues, without data loss risk.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A database in SQL Server comprises three types of files: primary data&hellip; <a class=\"more-link\" href=\"https:\/\/www.stellarinfo.com\/blog\/repair-sql-server-database-with-a-corrupt-log-file\/\">Continue reading <span class=\"screen-reader-text\">How to Repair SQL Server Database with a Corrupt Log File?<\/span><\/a><\/p>\n","protected":false},"author":82,"featured_media":50986,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-50970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database-recovery","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Repair SQL Server Database with a Corrupt Log File<\/title>\n<meta name=\"description\" content=\"Learn how to fix corrupt SQL Server log (.ldf) files using backup restore, DBCC CHECKDB, or Stellar Repair for MS SQL to recover databases without data loss.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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